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