(;C[Black to move.]AB[ki]AB[jk]AB[kk]AB[lj]AB[mj]AB[nj]AB[nk]AB[ll]AB[ml]AW[lm]AW[mm]AW[nl]AW[ol]AW[ok]AW[oi]AW[oj]AW[nh]AW[mh]AW[lh]AW[kl]AW[jl]AW[jm]AW[il]AW[ik]AW[gl]AW[gj]AW[gh]AW[hg]AW[ig]AW[jg]AW[kg]AW[li]AP[goproblems] (;B[ii];W[ji] (;B[jh];W[jj] (;B[ij];W[ih]C[] (;B[kj]MA[ii]MA[ki]MA[jk]MA[kk]C[Correct. j11, the only move that works in this position, makes the table shape marked out by the square stones. Learn it if you don't already know it because it's a strong, efficient shape.RIGHT]) (;B[kh];W[kj]C[Wrong.]) (;B[ni];W[kh]C[Wrong.]) (;B[mi];W[kh]C[Wrong.]) (;B[mk];W[kh]C[Wrong.]) (;B[lk];W[kh]C[Wrong.]) (;B[hi];W[kh]C[Wrong.]) (;B[hj];W[kh]C[Wrong.]) (;B[hk];W[kh]C[Wrong.])) (;B[kj];W[ij]C[Wrong.]) (;B[kh];W[ij]C[Wrong.]) (;B[ih];W[ij]C[Wrong.]) (;B[hh];W[ij]C[Wrong.]) (;B[hi];W[ij]C[Wrong.]) (;B[hj];W[ij]C[Wrong.]) (;B[lk];W[ij]C[Wrong.]) (;B[mk];W[ij]C[Wrong.]) (;B[mi];W[ij]C[Wrong.]) (;B[ni];W[ij]C[Wrong.])) (;B[jj];W[jh]C[Wrong.]) (;B[kh];W[jh]C[Wrong.]) (;B[kj];W[jh]C[Wrong.]) (;B[ih];W[jh]C[Wrong.]) (;B[ij];W[jh]C[Wrong.]) (;B[hh];W[jh]C[Wrong.]) (;B[hi];W[jh]C[Wrong.]) (;B[hj];W[jh]C[Wrong.]) (;B[lk];W[jh]C[Wrong.]) (;B[mk];W[jh]C[Wrong.]) (;B[mi];W[jh]C[Wrong.]) (;B[ni];W[jh]C[Wrong.])) (;B[ji];W[jj] (;B[ij];W[ii]C[Wrong.]) (;B[ii];W[ij]C[Wrong.]) (;B[hi];W[ij]C[Wrong.]) (;B[ni]C[Wrong. White can tenuki.]) (;B[mi]C[Wrong. White can tenuki.]) (;B[mk]C[Wrong. White can tenuki.]) (;B[lk]C[Wrong. White can tenuki.]) (;B[kj]C[Wrong. White can tenuki.]) (;B[kh]C[Wrong. White can tenuki.]) (;B[jh]C[Wrong. White can tenuki.]) (;B[ih];W[ij]C[Wrong.]) (;B[hh]C[Wrong. White can tenuki.]) (;B[hj]C[Wrong. White can tenuki.]) (;B[hk]C[Wrong. White can tenuki.])) (;B[jj];W[ji]C[Wrong.]) (;B[ij];W[ji]C[Wrong.]) (;B[kj]C[Wrong. White can tenuki.]) (;B[kh];W[jj]C[Wrong.]) (;B[jh];W[jj]C[Wrong.]) (;B[ih];W[jj]C[Wrong.]) (;B[hh];W[jj]C[Wrong.]) (;B[hi];W[jj]C[Wrong.]) (;B[hj];W[ij]C[Wrong.]) (;B[hk];W[ij]C[Wrong.]) (;B[lk];W[jj]C[Wrong.]) (;B[mk];W[jj]C[Wrong.]) (;B[mi];W[jj]C[Wrong.]) (;B[ni];W[jj]C[Wrong.]))