title Busy Beaver 2 description 5 state, 13 step Busy Beaver fill symbol 0 vertices 0 L 0.4 0.25 1 L 0.4 0.75 2 R 0.15 0.5 3 L 0.65 0.5 4 H 0.9 0.5 edges 0 2 0 1 0.2 0 3 1 1 1 0 0 1 1 2 1 1 2 0 0 1 0.2 3 1 0 1 3 4 1 1