(;AB[dp]AB[dq]AB[dr]AB[cp]AB[bq]AB[ep]AB[fr]AB[gr]AW[eq]AW[er]AW[es]AW[ds]AW[cr]AW[fp]AW[gp]AW[hq]AW[hr]AB[fq]AW[eo]C[Black to save the three surrounded stones.]AP[goproblems]
(;B[bs]
(;W[br]C[CHOICE]
(;B[cs];W[as]
(;B[cs];W[bs];B[fs];W[cs];B[cq]C[Well done!RIGHT])
(;B[fs];W[cs]
(;B[cq];W[gq])
(;B[ar];W[gq];B[bs];W[gs]))
(;B[cq];W[gs];B[cs];W[bs]
(;B[aq]
(;W[cs])
(;W[fs];B[ar];W[gq]))
(;B[ar];W[fs];B[cs];W[gq])))
(;B[cq];W[cs]
(;B[fs];W[as]
(;B[aq];W[gq])
(;B[ar];W[aq];B[ap]C[];W[gq]))
(;B[ar];W[as]C[Ko. Black can do better than that.]))
(;B[fs];W[cs];B[ar];W[as]C[Ko. Black can do better than that.])
(;B[as];W[gs])
(;B[aq];W[gs])
(;B[ar];W[gs]
(;B[cq];W[fs])
(;B[cs];W[as];B[cs];W[bs];B[cq];W[fs];B[cs];W[gq])))
(;W[cs];B[br];W[gs];B[cq]C[White can't connect at A.RIGHT]LB[fs:A])
(;W[gs];B[cs]C[White can't connect at A.RIGHT]LB[fs:A]))
(;B[fs];W[cs]
(;B[br];W[gq])
(;B[bs];W[gq])
(;B[cq];W[gq]))
(;B[cs];W[bs]
(;B[fs];W[cs]
(;B[br];W[gq])
(;B[cq];W[gq]))
(;B[br];W[gs];B[cq];W[fs];B[cs];W[gq]))
(;B[br];W[gs]
(;B[cq];W[fs];B[cs];W[gq])
(;B[bs];W[fs];B[cs];W[gq])
(;B[cs];W[bs];B[cq];W[fs];B[cs];W[gq]))
(;B[cq];W[gs]
(;B[br];W[fs];B[cs];W[gq])
(;B[bs];W[fs];B[cs];W[gq])
(;B[cs];W[bs];B[br];W[fs];B[cs];W[gq]))
(;B[gs];W[hs]))