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