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