(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem18/Solution]AP[GoWiki:2009]
DT[2012-11-24]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem18/Solution

Solution]
PL[B]

AB[cb][db][hb][ec][ic][bd][cd][dd][ed][ge][ie][cg]
AW[bb][eb][fb][bc][cc][dc][gc]

;B[ac]C[B1]MN[1]
;W[ab]C[W2]MN[2]
;B[ba]C[B3]MN[3]
;W[ad]C[W4]MN[4]
;B[da]C[B5]MN[5]

;
)
