(;AW[cr]AW[cq]AW[cp]AW[dp]AW[ep]AW[fq]AW[fr]AW[er]AB[gr]AB[ir]AB[br]AB[bq]AB[bp]AB[bo]AB[do]AB[cn]AB[gq]AB[gp]AB[fp]AB[eo]AW[gs]C[black to kill.]AP[goproblems]
(;B[dq];W[fs];B[ds];W[cs];B[dr]C[RIGHT])
(;B[fs];W[dq]
(;B[ds];W[cs]
(;B[es];W[dr])
(;B[hs];W[es]))
(;B[cs];W[ds])
(;B[es];W[ds])
(;B[hs];W[ds]))
(;B[cs];W[ds]
(;B[fs];W[dq])
(;B[dq];W[fs]))
(;B[ds];W[cs]
(;B[dq];W[dr])
(;B[fs];W[es])
(;B[dr];W[dq]))
(;B[es];W[ds])
(;B[dr];W[ds]
(;B[fs];W[dq])
(;B[dq];W[fs]))
(;B[bs];W[cs])
(;B[hs];W[fs]
(;B[ds];W[cs])
(;B[cs];W[ds])
(;B[dq];W[cs])))