User Manual
k
•
 a  
n 
_
 
a 
n 
→ a 
n 
_
 
b 
n 
→ b 
n 
_
•  •
 →  _  
 →  _ •
 → 
a 
_   Σ 
 → 
b 
_   Σ 
 → 
a 
n 
_ •
 → 
b 
n 
_  a 
n 
k   
•
 
•
 
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