(;AB[be]AB[bf]AB[cg]AB[dg]AB[eg]AB[fh]AB[fi]AB[ej]AB[dj]AB[dk]AB[dl]AB[ck]AB[cm]AB[cn]AB[bn]AB[bo]AB[do]AB[go]AB[gm]AW[bk]AW[cl]AW[bm]AW[ai]AW[ah]AW[bg]AW[ch]AW[ci]AW[cj]AW[ei]AW[eh]AB[aj]AB[ak]C[What can White do?]AP[goproblems] (;W[bl];B[af] (;W[ag]C[];B[bi];W[bh]C[];B[bj] (;W[al]C[Well done! White has a living shape inside! :)RIGHT]) (;W[am];B[an];W[al];B[bj]C[:(]) (;W[an];B[ao];W[al]C[Well done! :)RIGHT]) (;W[fe];B[am];W[al];B[bj];W[an];B[aj]C[If White tenukies, Black kills! :)])) (;W[bj];B[bh]C[:(]) (;W[bi];B[ag]C[:(]) (;W[bh];B[bj]C[:(]) (;W[al];B[bh]C[:(])) (;W[al];B[bl]C[:(]MA[cl]) (;W[bj];B[bl];W[al];B[ak];W[cl]MA[bl]C[:(]) (;W[bi];B[bl]C[:(]))