(;AB[cq]AB[cp]AB[co]AB[bo]AB[dn]AB[dm]AB[cl]AB[bl]AW[ar]AB[br]AW[cr]AW[bq]AW[dr]AW[dq]AW[dp]AW[do]AW[bn]AW[cn]AW[bm]AP[goproblems]
(;B[ao];W[ap]
(;B[am]LB[bp:A]LB[an:B]C[White cannot play at A or B.RIGHT])
(;B[cm]C[RIGHT]))
(;B[an]
(;W[bp]
(;B[ao];W[am])
(;B[am];W[ao])
(;B[ap];W[bs]))
(;W[am];B[ap];W[ao]))
(;B[ap];W[bs];B[an];W[bp]))