(;AW[bq]AW[cq]AB[cp]AB[dp]AB[ep]AW[er]AW[eq]AW[fr]AB[fq]AB[fp]AB[gp]AW[gq]AW[hq]AB[gr]AB[hr]AB[dn]AW[cm]AW[dm]AW[em]AW[kp]TR[gq]TR[hq]C[Black to capture the marked stones]AP[goproblems]
(;B[iq];W[hp]
(;B[io];W[ho];B[hn]
(;W[go]
(;B[gn];W[fo];B[fn];W[eo]
(;B[en]C[RIGHT])
(;B[do];W[en]C[White escapes!]))
(;B[fn];W[ip]))
(;W[ip];B[jp];W[go];B[gn];W[fo];B[fn];W[eo];B[en]C[RIGHT]))
(;B[ip];W[ho]C[White escapes!])
(;B[ho];W[ip]))
(;B[ip];W[iq]
(;B[jq];W[ir]
(;B[jr];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[is];W[hs]
(;B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives])
(;B[jr];W[gs]C[White survives])
(;B[js];W[gs]C[White survives]))
(;B[hs];W[is]TR[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[hp];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives])
(;B[fs];W[hs]TR[gr]TR[hr]C[White kills the marked stones and survives]))
(;B[ir];W[jq]C[White escapes!])
(;B[kq];W[ir]
(;B[is];W[hs];B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives])
(;B[jq];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[hs];W[is]TR[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives])
(;B[jr];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[fs];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])))
(;B[hp];W[iq];B[jq];W[ir]
(;B[jr];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[is];W[hs]
(;B[jr];W[gs]C[White survives])
(;B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives]))
(;B[hs];W[is]TR[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[gs];W[fs]TR[gs]TR[gr]TR[hr]C[White kills the marked stones and survives])
(;B[ip];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives])
(;B[fs];W[hs]TR[hr]TR[gr]C[White kills the marked stones and survives]))
(;B[ir];W[ip]C[White escapes]))