█████

████████ ██ █████

██ ██████████████ ██ █████ █████ ████ ███████████ ██ ████████ █ ████ ██████████ ██ █████████:

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}⟶\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

███████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="1" class="word redacted">█</span>}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

█████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="2" class="word redacted">██</span>}\cdot }$

██████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="4" class="word redacted">████</span>}}$

████████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="2" class="word redacted">██</span>}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="1" class="word redacted">█</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="1" class="word redacted">█</span>}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\cdot +\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}⟶\cdot {\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}+\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="4" class="word redacted">████</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="4" class="word redacted">████</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="1" class="word redacted">█</span>}-{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}+\text{<span word-length="4" class="word redacted">████</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="4" class="word redacted">████</span>}(\cdot )\text{<span word-length="2" class="word redacted">██</span>}{({\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{})}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}}$

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="1" class="word redacted">█</span>}+\text{<span word-length="4" class="word redacted">████</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="3" class="word redacted">███</span>}}$ ███° = -█.███,█ ± █,█ ██/███

█████████████

${\displaystyle {\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}⟶\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="1" class="word redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="3" class="word redacted">███</span>}}$ ███° = -█.███ ± █,█ ██/███

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="1" class="word redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="3" class="word redacted">███</span>}}$ ███° = -█.███ ± █,█ ██/███

${\displaystyle {\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}⟶\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="3" class="word redacted">███</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="1" class="word redacted">█</span>}}$ ███° = -█.███ ± █,█ ██/███

${\displaystyle \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="1" class="word redacted">█</span>}+\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="3" class="word redacted">███</span>}}$ ███° = -█.███ ± █,█ ██/███

${\displaystyle {\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="3" class="word redacted">███</span>}+{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle {\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}+\text{<span word-length="2" class="word redacted">██</span>}⟶\cdot {\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="3" class="word redacted">███</span>}}$

████████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+\text{<span word-length="1" class="word redacted">█</span>}\cdot }$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="2" class="word redacted">██</span>}⟶\text{<span word-length="4" class="word redacted">████</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}}$

████████ ██ █████████████

${\displaystyle ({\text{<span word-length="1" class="word redacted">█</span>}}^{-}\cdot \mathrm{<span\; word-length="10"\; class="word\; redacted">██████████</span>}\text{<span word-length="2" class="word redacted">██</span>})+\text{<span word-length="2" class="word redacted">██</span>}⟶{\text{<span word-length="1" class="word redacted">█</span>}}^{-}}$ ███° = ██,█ ± █,█ ██/███

${\displaystyle ({\text{<span word-length="2" class="word redacted">██</span>}}^{+}\cdot \text{<span word-length="2" class="word redacted">██</span>})+\text{<span word-length="2" class="word redacted">██</span>}⟶({\text{<span word-length="2" class="word redacted">██</span>}}^{+}\cdot \mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}\text{<span word-length="2" class="word redacted">██</span>})}$ ███° = ███ ██/███

█████ ████████

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}⟶{\text{<span word-length="4" class="word redacted">████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}+\text{<span word-length="3" class="word redacted">███</span>}}$

${\displaystyle \text{<span word-length="2" class="word redacted">██</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}⟶\text{<span word-length="3" class="word redacted">███</span>}+{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}}$

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="5" class="word redacted">█████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})}$ ████████ = ███████████████ ███° = -███,█ ± █,█ ██/███

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="5" class="word redacted">█████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})}$ ████████ = ███████████████ ███° = -███,█ ± █,█ ██/███

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="5" class="word redacted">█████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})}$ ████████ = ███████████████ ███° = -███,█ ± █,█ ██/███

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="3" class="word redacted">███</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}(\text{<span word-length="3" class="word redacted">███</span>})}$ ████████ = ███████████████ ███° = -███,█ ± █,█ ██/███

${\displaystyle \frac{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="2" class="word redacted">██</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}{\text{<span word-length="5" class="word redacted">█████</span>}}_{\mathrm{<span\; word-length="1"\; class="word\; redacted">█</span>}}^{}(\text{<span word-length="3" class="word redacted">███</span>})}$ ████████ = ███████████████ ███° = -███ ± ██ ██/███

${\displaystyle {\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}\text{<span word-length="1" class="word redacted">█</span>}(\text{<span word-length="3" class="word redacted">███</span>})+\text{<span word-length="2" class="word redacted">██</span>}(\text{<span word-length="2" class="word redacted">██</span>})⟶{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}{\text{<span word-length="1" class="word redacted">█</span>}}_{\mathrm{<span\; word-length="2"\; class="word\; redacted">██</span>}}^{}\text{<span word-length="3" class="word redacted">███</span>}(\text{<span word-length="3" class="word redacted">███</span>})}$ ███° = -███,█ ± █,█ ██/███

████████

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███████████

███ ███████████ ██████████████ █ ████ ████'█████, █ ███████ █████ ████████ ██ ██████ █ ███████ ███████ ███'█████. ███████████, ███ ██ ████████ ████'████ █ ███████████ █████████ █ ███ °█. ██ ██████████ █ ██████████ ██ █████████ ██ ███ ██████ ██ ██████ ████'███████. █ ██████ ████ ███ ███████ ████'████ █ ██ ██████████ ███████ ██ █████.

███████ █████ ███████ ███████ █ █████ ███████ ███████. ██ ████████, ███████ █████ ██████████ ████ █████ █ ████ ████, ████ ████ ████████████ ████'███████ █ █████ ███████.

█████████ ███ ██ ███████ █ ███ █████ ████████████ █████████ ████ - ███████ █████ (█████ █'█████ ██████) - █.███ ██/█ - ██ █.