(;GM[1]FF[4]SZ[19]
GN[White first for ko.]
PC[http://senseis.xmp.net/?KyuExercise78/Solution]AP[GoWiki:2009]
DT[2012-12-09]
C[Diagram from http://senseis.xmp.net/?KyuExercise78/Solution

White first for ko.]
PL[W]

AB[bb][cb][ib][cc][gc][hc][ic][cd][dd][ed][ce][ee][df][ef]
AW[gb][hb][bc][ec][fc][bd][fd][gd][be][cf][ff][cg][dg][eg][gg]
LB[ba:b][fa:a][db:c]

;W[ab]C[W1]MN[1]
;B[eb]C[B2]MN[2]
;W[ea]C[W3]MN[3]
;B[da]C[B4]MN[4]
;W[fb]C[W5]MN[5]
;B[dc]C[B6]MN[6]

;LB[ba:b][fa:a][db:c]
)
