title
Unary-to-Binary Converter (faster version)

description
Converts a sequence of a's to a binary number.

vertices
0 R 0.2 0.2
1 R 0.2 0.8
2 L 0.5 0.2
3 L 0.5 0.8
4 R 0.7 0.5
5 H 0.9 0.5

edges
0 2 # #  
0 1 a X  -0.3 
1 3 # #  
1 0 a a  -0.3
2 4 # 0  
3 4 # 1  
4 5 # #
4 1 a X  

tapes
[a] a a a a a a a a a
[a] a a
[a] a a a a
[a] a a a a a a a a a a a a a a
[a]