(;AP[goproblems]AB[fd]AB[gd]AB[fg]AB[ff]AB[fh]AB[eg]AB[dg]AB[dh]AB[ei]AB[he]AB[hf]AB[hg]AW[fc]AW[gc]AW[ed]AW[ee]AW[ef]AB[fe]AW[df]AW[cg]AW[ch]AW[ci]AW[dj]AW[ej]AW[fi]AW[gi]AW[gg]AW[hh]AW[ii]AW[ig]AW[if]AW[ie]AW[id]AW[hd]C[Black to play and live (3 moves)](;B[gf];W[gh];B[di]LB[eh:A]LB[ge:B]C[Two eyes (A and B). Black is living.RIGHT])(;B[gh];W[gf](;B[ge];W[di]TR[ei]C[The marked stone is dead destroying the lower eye. Black is dead.])(;B[di];W[ge]))(;B[di];W[gf]TR[he]TR[hf]TR[hg]LB[gh:A]LB[ge:B]C[If you connect at B, white next move is A and you'll have only one eye. If you cut white at A, white response will be at B capturing the marked stones.](;B[gh];W[ge])(;B[ge];W[gh])))