(;GM[1]FF[4]SZ[19]
GN[Ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Solution]AP[GoWiki:2009]
DT[2009-11-28]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection4Problem10/Solution

Ko]
PL[B]

AB[gb][cc][ec][fc][gc][hc][cd][dd]
AW[db][eb][fb][dc][bd][ed][fd][ce][de][cg]

;B[bb]C[B1]MN[1]
;W[ba]C[W2]MN[2]
;B[bc]C[B3]MN[3]
;W[be]C[W4]MN[4]
;B[ca]C[B5]MN[5]
;W[cb]C[W6]MN[6]
;B[aa]C[B7]MN[7]
;W[da]C[W8]MN[8]

;
)
