(;AB[cq]AB[br]AW[cp]AW[dq]AB[bs]AB[bp]AB[ap]C[Can black live?]AW[dr]AW[ao]AW[co]LB[dn:N]AW[bo]AP[goproblems]
(;B[ar];W[bq];B[aq];W[cr]C[Black is dead.])
(;B[as];W[cr]C[Black is dead.])
(;B[aq];W[cr];B[ar];W[bq]C[Black is dead.]AW[dr])
(;B[bq];W[ar]C[Black is dead.])
(;B[cr];W[aq];B[bq];W[ar]C[Black is dead.])
(;B[cs];W[cr]
(;B[ar];W[bq];B[aq];W[cq])
(;B[bq];W[ar])
(;B[aq];W[bq];B[ar];W[cq]))
(;B[dn]C[There is no way--try it!RIGHT]))