(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]
RU[Japanese]SZ[13]KM[0.00]TM[]
PW[White]PB[Black]AW[db][eb][fb][gb][bc][cc]AB[hb][dc][fc][gc][hc][bd][cd][dd]C[Black plays, White dies. (Take advantage of White's shortage of liberties.) ]
(;B[bb]CR[bb]
;W[cb]CR[cb]
;B[ac]CR[ac]
;W[ab]CR[ab]
;B[aa]CR[aa]
;W[ca]CR[ca]
(;B[ad]CR[ad]
;W[ga]CR[ga]
;B[ea]LB[bb:1][cb:2][ac:3]CR[ea]C[RIGHT After 3, White has no space enough to get two eyes. ])
(;B[ab]CR[ab]
;W[ga]CR[ga]
;B[ea]CR[ea]C[RIGHT]))
(;B[ac]CR[ac]
;W[bb]CR[bb]
;B[ab]CR[ab]
;W[ba]LB[ab:3][bb:2][ac:1]CR[ba]C[If Black plays 1, White can live with 2 and 4. ])
(;B[cb]CR[cb]
;W[bb]CR[bb])
(;B[ga]CR[ga]
;W[bb]CR[bb])
(;B[ba]CR[ba]
;W[cb]CR[cb]
;B[ac]CR[ac]
;W[ab]CR[ab]
;B[bb]CR[bb]
;W[ad]CR[ad]
;B[ae]CR[ae]
;W[ca]CR[ca]
;B[ea]CR[ea]
;W[aa]CR[aa]
;B[ga]CR[ga]
;W[fa]CR[fa]))