(;AB[bs]AB[cs]AB[cr]AB[dr]AB[dp]AB[co]AB[bo]AB[bn]AW[bm]AW[cn]AW[dn]AW[do]AW[ep]AW[dq]AW[cq]AW[er]AW[es]AB[eq]AW[gq]AW[cm]AW[bk]AW[br]AW[ar]C[Can black live here?]AW[fp]AP[goproblems]
(;B[bq]
(;W[fq]C[CHOICE]
(;B[cp];W[eq]
(;B[ao];W[aq];B[ap]C[Yes, ko seems the best that black can count on.RIGHT])
(;B[ap];W[an]
(;B[ao];W[am])
(;B[aq];W[am];B[as];W[ao]))
(;B[aq];W[an]
(;B[ao];W[bp])
(;B[ap])
(;B[as];W[ao]))
(;B[an];W[ap];B[bp];W[am]))
(;B[aq];W[cp];B[bp];W[an])
(;B[bp];W[an])
(;B[ap];W[cp]))
(;W[cp];B[bp];W[fq];B[an]
(;W[aq];B[ap]C[RIGHT])
(;W[ds];B[aq];W[as];B[cr]C[RIGHT])))
(;B[cp];W[bq])
(;B[fq];W[fr]))