(;GM[1]FF[4]SZ[19]
GN[White to kill]
PC[http://senseis.xmp.net/?BeginnerExercise160/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise160/Solution

White to kill]
PL[W]

AB[co][do][eo][cp][ep][bq][dq][cr][gr]
AW[bm][cn][dn][en][fn][bo][fo][bp][fp][eq][gq][dr][fr][ds][fs]

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

;
)
