(;GM[1]FF[4]SZ[19]
GN[The more advanced answer]
PC[http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Problem87Discussion]AP[GoWiki:2009]
DT[2013-05-19]
C[Diagram from http://senseis.xmp.net/?OneThousandAndOneLifeAndDeathProblems/Problem87Discussion

The more advanced answer]
PL[W]

AB[do][eo][fo][dp][fp][cq][fq][dr][fr][ds][fs]
AW[cn][dn][fn][gn][co][go][cp][gp][gq][br][cr][gr][gs]

;W[eq]C[W1]MN[1]
;B[bq]C[B2]MN[2]
;W[dq]C[W3]MN[3]
;B[aq]C[B4]MN[4]

;
)
