4nsb 3nsb12 2nsb1 1nsb 0nsb12

fxrb12 exrb1 dxrb cxrb12 bxrb1

q6qb1 p6qb o6qb12 n6qb1 m6qb

1fqb 0fqb12 zfqb1 yfqb xfqb12

cppb12 bppb1 appb 9opb12 8opb1