(;AW[ar]AW[br]AW[bs]AW[cr]AW[dr]AW[ds]AW[bp]AW[cp]AW[dp]AB[es]AB[er]AB[eq]AB[eo]AB[ep]AB[do]AB[co]AB[bo]AB[ao]C[Black can't kill White but has the best result.FORCE]AP[goproblems]
(;B[ap]C[FORCE]
(;W[aq]C[FORCE]
(;B[bq]C[FORCE];W[dq])
(;B[cq]C[FORCE];W[dq])
(;B[dq]C[FORCE];W[cq]C[RIGHT]))
(;W[dq]C[FORCE]
(;B[aq]C[FORCE];W[bq]C[RIGHT])
(;B[bq]C[FORCE];W[aq])
(;B[cq]C[FORCE];W[aq])))
(;B[aq]C[FORCE];W[ap]C[FORCE];B[dq]C[FORCE];W[cq])
(;B[bq]C[FORCE]
(;W[ap]C[FORCE];B[dq]C[FORCE];W[cq])
(;W[dq]C[FORCE];B[ap]C[FORCE];W[aq]))
(;B[cq]C[FORCE];W[dq]C[FORCE];B[ap]C[FORCE];W[aq])
(;B[dq]C[FORCE]
(;W[cq]C[FORCE]
(;B[ap]C[FORCE];W[aq]C[RIGHT])
(;B[aq]C[FORCE];W[ap])
(;B[bq]C[FORCE];W[ap]))
(;W[ap]C[FORCE]
(;B[aq]C[FORCE];W[cq])
(;B[bq]C[FORCE];W[cq])
(;B[cq]C[FORCE];W[bq]C[RIGHT]))))