(;GM[1]FF[4]SZ[11:19]
GN[Problem 18]
PC[http://senseis.xmp.net/?GetStrongAtTheEndgame/Errata]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GetStrongAtTheEndgame/Errata

Problem 18]
PL[B]

AB[an][gn][hn][in][jn][kn][co][do][eo][fo][ko][cp][fp][bq][fq][br]
AW[go][jo][dp][gp][hp][ip][jp][kp][cq][dq][gq][iq][cr][fr][gr]
LB[bs:a]

;B[ds]C[B1]MN[1]
;W[cs]C[W2]MN[2]
;B[er]C[B3]MN[3]
;W[dr]C[W4]MN[4]
;B[eq]C[B5]MN[5]
;W[es]C[W6]MN[6]

;LB[bs:a]
)
