String to fold:
XOXOOOOOXXXXOOOOXOOXXOOXOOXXOOOXXOOOOOXXRandom fold (* means dead end, backing up):
X O←X
↑ ↓ ↑
X O X X←O
↑ ↓ ↑ ↓ ↑
O O←O O O←O O
↑ ↓ ↑ ↓ ↑
O←O X←X X O←X
↑ ↓ ↑
X←O O O←X
↑ ↓ ↑
O←O X
↑
X
↑
X
↑
O X←
↑ ↓
O O
↑ ↓
O X
↑ ↓
O←O
Record number of incidences: 5
Record-achieving fold sequence:
→↓←←↑←↑←↓←←↓←↑←←←↑→→→↑←↑→→↓↓→↑↑→↑→→↓↓←←