(;GM[1]FF[4]SZ[19]
GN[White can not kill]
PC[http://senseis.xmp.net/?KyuExercise65/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?KyuExercise65/Solution

White can not kill]
PL[W]

AB[na][pa][lb][mb][ob][pb][dc][ec][lc][mc][oc][dd][fd][jd][ld][be][ce][fe][ge][he][ie][bf][if]
AW[jb][qb][fc][kc][nc][qc][ed][gd][kd][md][od][pd][ee][ke][le][me][ne][cf][df][ff][gf][hf][bg][eg][ch]

;W[la]C[W1]MN[1]
;B[kb]C[B2]MN[2]
;W[ka]C[W3]MN[3]
;B[jc]C[B4]MN[4]
;W[ib]C[W5]MN[5]
;B[hb]C[B6]MN[6]
;W[ic]C[W7]MN[7]
;B[id]C[B8]MN[8]
;W[hc]C[W9]MN[9]
;B[gb]C[B10]MN[10]

;
)
