b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b
b,a,a,.,.,.,.,.,.,.,.,.,.,.,.,.,.,a,a,b
b,a,a,.,.,.,.,.,.,.,.,.,.,.,.,.,.,a,a,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
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b,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,.,b
b,a,a,.,.,.,.,.,.,.,.,.,.,.,.,.,.,a,a,b
b,a,a,.,.,.,.,.,.,.,.,.,.,.,.,.,.,a,a,b
b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b,b 
