(;AB[ac]AB[bc]AB[cc]AB[bd]AB[be]AB[bf]AB[bg]AB[db]AB[ca]AB[eb]AW[cb]AW[bb]AW[ab]AW[ea]AW[dc]AW[fa]AW[gb]AW[dd]AW[fc]AW[fd]AW[cd]AW[ce]AW[cf]AW[cg]AW[bh]AW[ag]AW[bi]AW[ai]AP[goproblems]
(;B[ae];W[da]
(;B[ba]
(;W[ec];B[aa];W[cb];B[bb]C[RIGHT])
(;W[aa];B[ca];W[ba];B[ca]C[RIGHT]))
(;B[aa];W[ba]))
(;B[af];W[ae];B[ah])
(;B[ba];W[af]
(;B[ae];W[ad])
(;B[aa];W[ae]
(;B[da];W[bb])
(;B[bb];W[da])))
(;B[aa];W[af]
(;B[ae];W[ad])
(;B[ba];W[ae]
(;B[bb];W[da])
(;B[da];W[bb])))
(;B[da];W[af]
(;B[ba];W[ae];B[aa];W[bb])
(;B[ae];W[ad])
(;B[aa];W[ae];B[ba];W[bb])))