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11111111111111111
11111111111111111111
111sssssssssssssssss
ssssssssssssssssssssssssssssssssssssssssssssss
qqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqqq
cccccccccccccccccccccccccccccccccccccccccccc
ssscccxxxxxxxxxxxx
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
wwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwwww
xxxxxxxxxxxxxxxxxxxxxvvvvvvvvvvvvv
vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvvv
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