(;GM[1]FF[4]SZ[19]
GN[Solution]
PC[http://senseis.xmp.net/?GokyoShumyoSection6Problem13/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection6Problem13/Solution

Solution]
PL[W]

AB[kb][cc][dc][ec][ic][lc][fd][gd][hd]
AW[bb][bc][gc][hc][cd][id][ee][ie][ff][hf]

;W[ga]C[W1]MN[1]
;B[ib]C[B2]MN[2]
;W[ea]C[W3]MN[3]

;
)
