(;AB[bn]AB[bm]AB[cm]AB[dm]AB[em]AB[fm]AB[ak]AB[bi]AB[ci]AB[di]AB[ei]AB[dj]AB[dh]AB[eh]AB[fh]AB[gh]AB[hh]AW[cj]AW[ck]AW[dk]AW[el]AW[fl]AW[ej]AW[fj]AW[gk]AW[fi]AW[gi]AW[hi]AW[ii]AW[ji]AW[hj]AW[ij]AW[ih]AW[hm]AW[gm]AW[gn]AW[fn]AW[fo]AW[en]AW[dn]AW[cn]AW[co]AW[bo]AB[gl]AB[hl]AB[hk]AB[ik]AB[jk]AB[im]AB[jm]AB[kl]MA[bm]MA[bn]MA[cm]MA[dm]MA[em]MA[fm]C[kill the marked stones]AP[goproblems] (;W[al];B[bk] (;W[bl] (;B[cl];W[bj];B[am];W[aj]C[RIGHT]) (;B[bj])) (;W[bj];B[aj];W[bl]C[RIGHT])) (;W[aj];B[bj];W[al];B[bk]) (;W[bk];B[aj]))