(;SZ[19]AW[ad][ac][bc][cc][dd][ed][fc][df][ef][fg][fh][fi][ei][dj][cj][bj][bi][af]AB[ae][bd][cd][ce][cf][cg][dg][eg][eh][di][ci][bh]C[Black to live](;B[ag];W[be](;B[bf];W[ae]C[RIGHT])(;B[ai];W[bf]))(;B[bf];W[ag](;B[ah];W[be]C[Ko])(;B[bg];W[be])(;B[be];W[ah]))(;B[be];W[ah];B[ag];W[bg](;B[ch];W[ag])(;B[bf];W[ch]))(;B[bg];W[be])(;B[ah];W[be];B[bf];W[ag](;B[ae]C[ko])(;B[bg];W[ae])(;B[de];W[ae])))