board 16 16
B N N B N N N N N N N N N B N N
W C C C C C C C C C C C C C C C
W C C C C C B C C C C C W C C C
W C C C C N C C C C C B C C C C
W C C C C C C C C C C C C C C C
W W C C C C C C C N W C C C C N
W N C C C C C C C C C C C W C C
B C C C N W C B B W C C C N C C
W C C C C C C B B W B C C C C C
W C C C N W C N N C C C C C C N
B C C C C C C C C C C C C C B C
W C C C C C C C C C C C C C C C
W C C C C C C W C C C C N W C C
W C C C C C B C C C W C C N C C
W C C W C C C C C N C C C C C C
W C C N C C W C C C C W C C C C
mirrors 8
2 1 / 4
7 4 \ 1
14 4 / 4
12 6 / 3
1 11 \ 2
7 10 / 3
12 9 \ 2
13 14 / 1
robots 5
2 15
2 0
12 12
9 13
11 15
target 0 6 2 3
solution 12
move 2 7 12
move 2 7 15
move 2 6 15
move 2 6 13
move 3 7 13
move 3 7 9
move 0 5 15
move 3 5 9
move 0 5 10
move 0 7 9
move 3 6 9
move 3 6 2