(;AB[br]AB[cq]AB[bo]AW[cr]AW[dr]AW[eq]AB[bn]AB[bm]AB[cn]AB[dn]AW[an]AW[ao]AW[bp]AW[dp]AW[co]AW[do]AW[eo]AB[en]AB[fn]AW[fo]AW[fs]AW[es]AW[go]AW[gr]AW[gq]AW[gp]AB[gn]AB[hp]AB[ho]AB[hn]AB[hq]AB[hr]AB[hs]AB[cl]C[how can black reduce?]AP[goproblems]
(;B[aq]
(;W[bq]
(;B[am]
(;W[cp]
(;B[ap]C[RIGHT])
(;B[ar];W[ap]))
(;W[ap];B[cp]C[RIGHT]))
(;B[ap];W[ar])
(;B[cp];W[dq]))
(;W[cp];B[ap]C[RIGHT]))
(;B[am];W[aq]
(;B[ap];W[ao])
(;B[bq];W[cp])
(;B[cp];W[bq]))
(;B[ap];W[aq]
(;B[am];W[cp])
(;B[cp];W[bq]))
(;B[bq];W[cp])
(;B[cp];W[bq]
(;B[aq];W[dq])
(;B[ap];W[aq]))
(;B[ar];W[cp])
(;B[bs];W[cp]))