board 16 16
B N N N N N B N N N N N B N N N
W C C C C C C C C C W C C C C C
W C C B C C C C C N C C C C C C
W C C C C W C C C C C W C C C N
B C N W C N C C C C C N C C C C
W C C C C W C C C C C C C C B C
W C C C N C C C C C N W C C C C
W C C C C C C B B W C C C W C C
W C C C C C C B B W C C C C C C
W C C C C C C N N C C C N W C C
W C C C C W C C C C C C C N C N
W B C C C N C C C B C C C C C C
W C C C C C N W C C C C C C C W
W C C C C C C C C C C C C C N C
B C C C W C C C C C C C C C C C
W C C N C C W C C C W C C C C C
mirrors 2
10 8 \ 3
11 14 / 2
robots 5
15 2
3 14
1 11
15 4
14 5
target 0 9 1 3
solution 8
move 1 3 2
move 0 4 2
move 0 4 0
move 3 3 4
move 3 3 3
move 3 4 3
move 3 4 1
move 3 9 1