(;AP[goproblems]AB[aq]AB[bq]AB[cq]AB[bp]AB[bo]AW[ar]AW[br]AW[cr]AW[ds]AW[dq]AB[dr]AB[er]AB[eq]AW[dp]AW[cp]AW[do]AW[dn]AW[en]AW[fn]AB[ep]AB[eo]AB[fp]AB[gp]AB[go]AB[gn]AW[gm]AW[hl]AW[hn]AW[ho]AW[hp]AB[gq]AB[gr]AB[fs]AW[hq]AW[hr]AW[is]AW[jr]AW[bn]AW[cm]C[Save the day for black!](;B[bs](;W[co];B[cs];W[as](;B[cs]C[Righto!RIGHT])(;B[bs]C[Righto!RIGHT]))(;W[cs];B[es]C[Correct!RIGHT]))(;B[cs];W[bs];B[es];W[co];B[cs]C[A ko unfavorable for white, but there is better...])(;B[as];W[bs];B[es];W[co];B[cs]C[A ko, unfavorable for white, but there is better...])(;B[co];W[cn];B[cs];W[ao]C[Dead.])(;B[an];W[am](;B[cs];W[bs];B[es];W[ao];B[cs]C[A ko unfavorable for white, but there is better.])(;B[ao];W[co]C[Dead.]))(;B[cn])(;B[es];W[co];B[cs];W[ao]C[Dead.])(;B[gs];W[ao]C[Dead.])(;B[ao];W[an]))