(;GM[1]FF[4]SZ[19]
GN[1~5]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem2/Solution]AP[GoWiki:2009]
DT[2010-06-15]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem2/Solution

1~5]
PL[W]

AB[kb][rb][kc][lc][rc][md][nd][qd][qe][of][qg]
AW[lb][mb][qb][mc][oc][qc][pd]

;W[qa]C[W1]MN[1]
;B[la]C[B2]MN[2]
;W[oa]C[W3]MN[3]
;B[ma]C[B4]MN[4]
;W[pb]C[W5]MN[5]

;
)
