(;GM[1]FF[4]SZ[19]
GN[White kills]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem10b/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem10b/Solution

White kills]
PL[W]

AB[ao][bp][bq][cq][dq][dr][ds]
AW[bn][bo][do][ap][cp][ep][eq][er]
LB[aq:a][as:b]

;W[bs]C[W1]MN[1]
;B[br]C[B2]MN[2]
;W[cs]C[W3]MN[3]

;LB[aq:a][as:b]
)
