(;GM[1]FF[4]SZ[19]
GN[solution]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem75/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem75/Solution

solution]
PL[W]

AB[gb][bc][dc][gc][hc][ic][ed][fd]
AW[eb][fb][fc][kc][lc][gd][hd][id][jd]

;W[ha]C[W1]MN[1]
;B[ga]C[B2]MN[2]
;W[ib]C[W3]MN[3]
;B[jb]C[B4]MN[4]
;W[jc]C[W5]MN[5]
;B[ja]C[B6]MN[6]
;W[kb]C[W7]MN[7]

;
)
