(;SZ[19]AW[ba]AW[bb]AW[cc]AW[cd]AW[be]AW[ce]AW[cf]AW[ag]AW[bg]AB[cb]AB[db]AB[dc]AB[bd]AB[dd]AB[de]AB[df]AB[cg]AB[dg]AB[ah]AB[bh]C[Is there any defect in white's group?]GM[1]FF[4]CA[UTF-8]AP[CGoban:3]ST[2]RU[Japanese]KM[0.00]PW[White]PB[Black]
(;B[ae]
(;W[ac]C[CHOICE]
(;B[bf];W[bc]LB[ei:Tenuki
]
(;B[af];W[ad]C[RIGHT])
(;B[ad];W[af])
(;B[ei]LB[af:A]C[RIGHT]))
(;B[af]C[];W[bc];B[bf];W[ad]C[RIGHT]))
(;W[bc]C[CHOICE]
(;B[bf];W[ad];B[af]C[RIGHT])
(;B[ad];W[bf])
(;B[ac];W[bf];B[ab];W[af];B[ad];W[aa])))
(;B[af];W[bf]
(;B[bc];W[ae]
(;B[ad];W[ac])
(;B[ac];W[ab];B[ca];W[ad]))
(;B[ae];W[bc]))
(;B[bf];W[af];B[ad];W[ae])
(;B[bc];W[ae];B[ac];W[ab];B[ca];W[ad])
(;B[ac];W[bc]
(;B[ae];W[bf];B[ab];W[af];B[ad];W[aa])
(;B[ad];W[ae])))