(;GM[1]FF[4]SZ[19]
GN[This way it's ko]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem10/Attempts]AP[GoWiki:2009]
DT[2010-07-13]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem10/Attempts

This way it's ko]
PL[B]

AB[db][ac][bc][cd][dd][ed]
AW[bb][cb][fc][hc][bd][fd][be][ce][ee][cg]

;B[cc]C[B1]MN[1]
;W[eb]C[W2]MN[2]
;B[ec]C[B3]MN[3]
;W[da]C[W4]MN[4]
;B[fb]C[B5]MN[5]
;W[dc]C[W6]MN[6]

;
)
