(;AB[cb]AB[fb]AB[fc]AB[gc]AB[fd]AB[ed]AB[dd]AB[cd]AB[be]AB[hb]AB[ib]AB[jb]AB[ja]AW[fa]AW[eb]AW[cc]AW[bc]AW[bd]AW[ce]AW[de]AW[fe]AW[ee]AW[ge]AW[gd]AW[hc]AW[ic]AW[jc]AW[kc]AW[kb]AW[ka]AW[bf]AP[goproblems]
(;B[ea];W[da]C[];B[ga]
(;W[ea]C[CHOICE]
(;B[dc];W[ca]C[]
(;B[bb];W[ba]
(;B[ac];W[ae];B[db];W[ab]C[RIGHT])
(;B[ab];W[db];B[gb];W[ha]))
(;B[ba];W[bb])
(;B[db];W[bb]))
(;B[db];W[dc])
(;B[ec];W[dc]))
(;W[dc];B[ea]C[RIGHT]))
(;B[ga]
(;W[ea]
(;B[dc];W[db]
(;B[bb];W[ab]
(;B[ba];W[da];B[gb];W[ha])
(;B[ca];W[ae];B[gb];W[ha]))
(;B[ca];W[bb];B[gb];W[ba]))
(;B[db];W[dc])))
(;B[db];W[dc])
(;B[ec];W[dc]))