(;GM[1]FF[4]SZ[19]
GN[]
PC[http://senseis.xmp.net/?KyuExercise165/Attempts]AP[GoWiki:2009]
DT[2018-03-21]
C[Diagram from http://senseis.xmp.net/?KyuExercise165/Attempts

]
PL[W]

AB[ea][bb][eb][cc][dc][ec]
AW[ba][fa][fb][fc][bd][cd][dd][ed][fd][bf]
LB[da:a][cb:b]

;W[ca]C[W1]MN[1]
;B[bc]C[B2]MN[2]
;W[ac]C[W3]MN[3]
;B[ab]C[B4]MN[4]

;LB[da:a][cb:b]
)
