title
Binary Incrementer

description
Add one to a binary number.

vertices
0 R 0.1   0.5
1 L 0.35  0.5
2 R 0.6   0.5
3 H 0.85  0.5

edges
0 1 # #  0.0
1 1 1 0  90 
1 2 0 1  0.0     
2 3 # #  0.0

tapes
0 0 0 0 0 1 0 1 1 [0] 1 1 1
1 0 1 [0]
1 0 0 1 1 [1]
1 1 1 1 1 [1]