(;GM[1]FF[4]SZ[19]
GN[Black can't kill the other eye.]
PC[http://senseis.xmp.net/?BeginnerExercise172/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise172/Solution

Black can't kill the other eye.]
PL[W]

AB[bm][cm][dm][em][fm][cn][gn][bo][go][io][bp][hp][bq][cq][gq][hq][iq][br][hr][bs][fs]
AW[bn][en][co][eo][ho][cp][ep][gp][ip][dq][eq][fq][cr][er][cs][ds]
LB[do:d][fr:b][es:a][hs:c]

;W[gs]C[W1]MN[1]
;B[gr]C[B2]MN[2]
;W[dn]C[W3]MN[3]

;LB[do:d][fr:b][es:a][hs:c]
)
