The following test case cannot be solved:
..T....T.0
.C.....T.1
...TTT5432
..T....T..
..T...T...
..T..T....
..........
...T..TT..
....TT....
..........
Snake needs to go LL but then it will touch its tail.
Created at: 2013/06/26 01:03; Updated at: 2013/09/30 13:47