(;AB[ao]AB[bo]AB[co]AB[do]AB[eo]AB[fp]AB[fq]AB[gq]AB[hq]AB[iq]AW[ep]AW[dp]AW[fo]AW[fn]AW[en]AW[dn]AW[cn]AW[bn]AW[an]AW[cp]AW[bp]AB[eq]AB[dq]AB[cq]AB[go]AB[gn]AB[gm]AB[fm]AB[em]AB[dm]AB[cm]AB[cl]AB[bl]AB[al]C[Black can't kill White but has the best result.FORCE]AP[goproblems] (;B[ap]C[FORCE];W[bq]C[FORCE];B[br]C[FORCE];W[aq]C[FORCE];B[ar]) (;B[aq]C[FORCE];W[bq]C[FORCE];B[br]C[FORCE];W[ap]C[FORCE];B[ar]) (;B[bq]C[FORCE];W[ap]C[FORCE] (;B[aq]C[RIGHT]) (;B[ar])) (;B[ar]C[FORCE];W[bq]C[FORCE];B[br]) (;B[br]C[FORCE];W[bq]C[FORCE];B[aq]C[FORCE];W[ap]C[FORCE];B[ar]))