(;AB[da]AB[db]AB[cb]AB[bd]AB[cd]AW[ea]AW[eb]AW[ec]AW[dd]AW[de]AW[fe]AW[ce]AW[be]AW[bf]AP[goproblems] (;B[dc];W[bc] (;B[ad];W[bb];B[cc];W[ba];B[ab];W[ac]C[CHOICE]) (;B[ac];W[ab];B[ad];W[bb];B[ba];W[ae]C[CHOICE])) (;B[ad];W[bb] (;B[ba];W[cc];B[bc];W[ab];B[dc]C[RIGHT]) (;B[ab];W[bc];B[cc];W[ba];B[ac]C[CHOICE]) (;B[cc];W[ba];B[ab];W[bc];B[ac]C[CHOICE])) (;B[ba];W[bc];B[cc];W[ad] (;B[ab]C[RIGHT]) (;B[bb];W[ac];B[ab]C[RIGHT])) (;B[ab];W[ba] (;B[bb];W[ad] (;B[ac];W[cc]C[CHOICE]) (;B[dc];W[bc];B[cc]C[RIGHT])) (;B[dc];W[bc];B[bb]C[RIGHT])) (;B[bc]C[See problem 18596CHOICE]) (;B[bb]C[RIGHT]))