(;AP[goproblems]AW[jj]AW[ji]AW[ik]AW[hk]AB[hj]AB[gi]AB[gk]AB[fk]AB[fi]AW[hm]AW[hn]AB[jm]AB[kl]AB[kj]AB[kh]AW[ih]AW[hh]AB[jh]AB[lj]AB[lh]AB[ll]AW[hl]AW[jg]AW[if]AW[kf]AW[lf]C[Black to cut White in the middle](;B[ij](;W[ii]C[CHOICE](;B[jk]C[RIGHT])(;B[jl];W[jk])(;B[il];W[jk])(;B[ki];W[jk])(;B[hi];W[jk])(;B[kk];W[jk]))(;W[jk]C[CHOICE](;B[ii]C[RIGHT])(;B[ki];W[ii])(;B[hi];W[ii])(;B[kk];W[ii])(;B[jl];W[ii])(;B[il];W[ii])))(;B[ii];W[hi](;B[ij];W[gj])(;B[gj];W[ij])(;B[jk];W[ij]))(;B[hi];W[ii](;B[ij];W[jk])(;B[jk];W[ij]))(;B[jk];W[ij](;B[hi];W[ii])(;B[ii];W[hi]))(;B[ki];W[ij])(;B[jl];W[ij])(;B[il];W[ij](;B[hi];W[ii])(;B[ii];W[hi])))