(;GM[1]FF[4]SZ[19]
GN[Black to kill]
PC[http://senseis.xmp.net/?KyuExercise1/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise1/Attempts

Black to kill]
PL[B]

AB[fb][ec][gc][cd][dd][ed]
AW[db][eb][cc][dc][fc]
LB[ca:a][ea:b]

;B[bd]C[B1]MN[1]
;W[fa]C[W2]MN[2]
;B[gb]C[B3]MN[3]
;W[bc]C[W4]MN[4]
;B[bb]C[B5]MN[5]
;W[ab]C[W6]MN[6]
;B[ba]C[B7]MN[7]

;LB[ca:a][ea:b]
)
