(;GM[1]FF[4]SZ[19]
GN[Black lives]
PC[http://senseis.xmp.net/?BeginnerExercise16/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BeginnerExercise16/Solution

Black lives]
PL[W]

AB[dp][ep][fp][dq][fq][gq][dr][er][hr][ds][hs]
AW[co][do][eo][fo][go][cp][gp][cq][hq][iq][cr][ir][cs][is]
CR[hr][hs]

;W[gr]C[W1]MN[1]
;B[fs]C[B2]MN[2]
;W[gs]C[W3]MN[3]
;B[fr]C[B4]MN[4]

;CR[hr][hs]
)
