String to fold:
XOXOOOOOXXXXOOOOXOOXXOOXOOXXOOOXXOOOOOXXRandom fold (* means dead end, backing up):
X←O O←ONew record number of incidences (since the server restarted).
↓ ↑ ↓ ↑
X←X←X O←O X←O
↓ ↑
O *←*←X→X→O X← O←O
↓ ↑ ↓ ↓ ↑
O→O→O O←O O→X X←X O
↓ ↑ ↓ ↑
X→O X X O
↓ ↑ ↓ ↑
O→X O→O O
↓ ↑
O→X→X
Record number of incidences: 2
Record-achieving fold sequence:
↑←↑←↓←↑←↓←←↓↓→→↓→↓→↑↑←→→↓→↓↓→↓→→↑↑↑↑←↓←