(;AP[goproblems]AB[bb]AB[cb]AB[cc]AB[dd]AB[de]AB[df]AB[cf]AB[bg]AW[bf]AW[af]AW[ce]AW[cd]AW[bc]AW[cg]AW[ch]AW[dc]AW[ec]AW[fd]C[B to connect his 3 stones in the corner with the 4 outside.](;B[ac];W[be](;B[bd];W[bh])(;B[ag];W[bh];B[bd];W[ah])(;B[ad];W[bh])(;B[bh];W[bi](;B[ad];W[ah])(;B[bd];W[ah])(;B[ah];W[ai]))(;B[ah];W[bh]))(;B[bd];W[be](;B[ag];W[ad](;B[ab];W[bh])(;B[ac];W[bh]))(;B[ad];W[bh])(;B[ac];W[bh])(;B[bh];W[bi])(;B[ah];W[bh])(;B[ae];W[ad]))(;B[be];W[bd](;B[ac];W[ae](;B[ab];W[bh];B[ad]C[RIGHT])(;B[bh];W[bi];B[ab];W[ad])(;B[ag];W[bh];B[ab];W[ah]))(;B[bh];W[bi];B[ac];W[ae];B[ab];W[ad])(;B[ad];W[ae](;B[ab];W[ac])(;B[ac];W[ab]))(;B[ae];W[ad])(;B[ag];W[ae];B[ac];W[bh];B[ab];W[ah])(;B[ab];W[ae](;B[ad];W[ac])(;B[ac](;W[ad]C[CHOICE](;B[ag]C[RIGHT])(;B[bh];W[bi]))(;W[bh]C[CHOICE];B[ad]C[RIGHT]))(;B[ag];W[bh](;B[ac];W[ah])(;B[ad];W[ac]))(;B[ah];W[ac])))(;B[ad];W[be](;B[ag];W[bh])(;B[bh];W[bi])(;B[ac];W[bh]))(;B[ae];W[be](;B[ag];W[ad](;B[ab];W[bh])(;B[bh];W[bi])(;B[ai];W[ah]))(;B[ad];W[bh]))(;B[bh];W[bi](;B[be];W[bd];B[ac];W[ae];B[ab];W[ad]C[no good because you traded b12 for b11.])(;B[ac];W[be](;B[ad];W[ah])(;B[bd];W[ah])(;B[ah];W[ai]))(;B[bd];W[be])(;B[ad];W[be])(;B[ae];W[be])))