(;SZ[4]AB[dd]AB[cd]AB[bd]AB[ad]AB[aa]AB[ba]AB[ca]AB[da]AW[ab]AW[ac]AW[dc]AW[db]C[FORCE]AP[goproblems] (;B[bb]C[FORCE] (;W[cc]C[FORCE] (;B[bc]C[RIGHT]) (;B[cb]C[FORCE];W[bc])) (;W[bc]C[FORCE] (;B[cb]C[FORCE];W[cc]) (;B[cc]C[RIGHT])) (;W[cb]C[FORCE] (;B[bc]C[RIGHT]) (;B[cc]C[RIGHT]))) (;B[cb]C[FORCE] (;W[bc]C[FORCE] (;B[cc]C[RIGHT]) (;B[bb]C[FORCE];W[cc])) (;W[cc]C[FORCE] (;B[bb]C[FORCE];W[bc]) (;B[bc]C[RIGHT])) (;W[bb]C[FORCE] (;B[cc]C[RIGHT]) (;B[bc]C[RIGHT]))) (;B[bc]C[FORCE] (;W[bb]C[FORCE] (;B[cb]C[RIGHT]) (;B[cc]C[FORCE];W[cb])) (;W[cb]C[FORCE] (;B[bb]C[RIGHT]) (;B[cc]C[FORCE];W[bb])) (;W[cc]C[FORCE] (;B[bb]C[RIGHT]) (;B[cb]C[RIGHT]))) (;B[cc]C[FORCE] (;W[cb]C[FORCE] (;B[bb]C[RIGHT]) (;B[bc]C[FORCE];W[bb])) (;W[bb]C[FORCE] (;B[cb]C[RIGHT]) (;B[bc]C[FORCE];W[cb])) (;W[bc]C[FORCE] (;B[cb]C[RIGHT]) (;B[bb]C[RIGHT]))))