(;AP[goproblems]AW[ql]AW[qm]AW[rn]AB[rl]AB[sk]AB[sl]AW[rk]AW[rj]AW[qj]AW[si]AW[rh]AW[qh]AW[ph]AW[oh]AB[oi]AB[oj]AB[pk]AB[qk]AB[nh]AB[og]AW[ng]AW[nf]AB[pg]AB[qg]AB[rg]AB[sg]AB[sh]AW[of]AW[re]AW[qe]AW[mh]AB[ni]AW[mi]AB[nk]AW[mj]AW[mk]AW[nl]AB[pl]AW[pm]AW[om]C[black to live without ko](;B[qi](;W[pi]C[](;B[pj];W[ri];B[sj]C[RIGHT])(;B[sj];W[sm];B[ri];W[si];B[ri]C[RIGHT]))(;W[sm]C[CHOICE](;B[pi](;W[rm]C[CHOICE](;B[ri]C[RIGHT])(;B[pj];W[sj];B[ri]C[RIGHT]))(;W[ri]C[](;B[pj]C[RIGHT])(;B[rm];W[sj])(;B[sj];W[rm])))(;B[pj](;W[rm]C[CHOICE](;B[pi]C[];W[sj];B[ri]C[RIGHT])(;B[ri];W[pi];B[ri];W[qi]))(;W[ri]C[];B[pi]C[RIGHT])(;W[pi]C[];B[ri]C[RIGHT]))(;B[sj];W[rm])(;B[ri];W[pi]))(;W[ri](;B[pi];W[sm];B[pj]C[RIGHT])(;B[pj];W[sm];B[pi]C[RIGHT])(;B[sj];W[sm]))(;W[sj](;B[pi];W[sm];B[ri]C[RIGHT])(;B[pj]C[RIGHT])))(;B[pi];W[qi](;B[pj];W[sm])(;B[sj];W[sm]C[ko]))(;B[pj];W[qi](;B[sj];W[sm]C[ko])(;B[pi];W[sm]))(;B[ri];W[qi](;B[sj];W[sm]C[ko])(;B[pj];W[sm])(;B[pi];W[sm]))(;B[sj];W[ri](;B[pi];W[sm])(;B[pj];W[sm])(;B[qi];W[sm]))(;B[ok];W[ri]))
