(;GM[1]FF[4]CA[UTF-8]AP[CGoban:2]ST[2]SZ[13]AW[db][eb][fb][gb][bc][cc]AB[hb][dc][fc][gc][hc][bd][cd][dd]RU[Japanese]TM[]PW[White]PB[Black]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[ba];W[ad]))(;B[ab];W[ac])(;B[ec];W[ac])(;B[ba];W[ac])(;B[ga];W[ba]))(;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])(;B[ab];W[ac])(;B[ca];W[bb])(;B[ec];W[bb]))