50
53
M
10 10 N
M
2 13 M
M
10 20 S
M
4 25 R
M
4 5 R
M
4 15 R
M
4 10 R
0
0
DDGGGGGGGGGGGGGGGGGGG
DDGGGGGGGGGGGGGGGGGGGGD
DDDDDDGGGGGGGGGGGGGGDDDD
GGGDDDDGGGGGGGGGGGGDDDDGGGG
GGGGDDDDGGGGGGGGGGDDDDDGGGGGGGGGGGG
GGGGGDDDDDGGGGGGGDDDDGGGGGGGGGGGGG
GGGGGGDDDDGGGGGGDDDDDGGGGGGGGGGGGG
GGGGGGGDDDDGGGGDDDDDGGGGGGGGGGGGGG
GGGGGGGDDDDGGGDDDDDGGGGGGGGGGGGGG
GGGGGGDDDDDDGDDDDDGGGGGGGGGGGGGG
GGGGGGGGDDDDDDDDGGGGGGGGGGGG
GGGGGGGGGDDDDDDGGGGGGGGG
GGGGGGGGGDDDDDDGGGGGGGGG
GGGGGGGGGGGDDDDDDGGGGGGG
SSSSSSSSSSSSSSSSSSSSSSSSW
SSSSSSSSSSSSSSSSSSSSSSSSW
SSSSSSSSSSSSSSSSSSSSSSSSW
WWWWWBBBBBBBBBWWWWWWWWWWW
GGGGGGGGGGGGGGGGGGGGGW
DDDDDDDDDDDDDDDDDDDDGW
GGGGGGGGGGGGGGGGGGGGGW
DDDDDDDDDDDDDDDDDDDDDDDSSSSSSSSSSSSSSSS
DDDDDDDDDDDDDDGGGDDDDDSSSSSSSSSSSSSSSSSSSSSWWWWWW
DDDDDDDDDDDDDDGTGGGGGGGGDSSSSSSSSSSSSSSSSSSSSSWWW
DDDDDDDDDDDDDDGGGDDDWWWWWWWWWWSSSSSSSSSSSSSWWWWWW
DDDDDDDDDDDDDGGGGTGSWWWWWWWWWDDDSSSSSSSSSSSSSWWWW
DDDDDDDDDDDDDDDDGGDSWWWWWWWGGGDDDDTTTTTTTGGGGGSWW
DDDDDDDDDDDGGGGGGGTTWWWWWWWGGGGDDDDTTTTTTGGGGGSWW
DDDDDDDDDDDDDDDDDDDDWWWWWWWGGGGGTDDDDTTTTTTGGGGGS
TGGGGGTTDDDGGGGGTTTTWWWWWWGGGGGTTDDDDTTTTTTGGGGSW
GGGTTGTGTDDDDDDDDDDDDWWWWWWWGGGGTTTTDDDDTTTTGGGSW
TTTTTTTTTDDTTTTTTTTTWWWWWWWWGGGGTGGTTDDDTTTGGGSSW
DDDDDDDDDDDDDDDDDDDDWWWWWWWWWSSSSGGGTTTTTGGSSWWWW
TTTTTTTTTTDTTTTTTTTTWWWWWWWWWWSSSSSSSSSSSSSSWWWWW
DDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDDWWWWWWWWW
DDDDDDDDDDDDDDDDDDDD
DDDDDDDDDDDDDDDDDDDD
DDDDDDDDDDDDDDDDDDDD
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS
SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS