(;GM[1]FF[4]SZ[19]
GN[Variation at B6]
PC[http://senseis.xmp.net/?IgoHatsuyoRonProblem129/Solution]AP[GoWiki:2009]
DT[2009-04-23]
C[Diagram from http://senseis.xmp.net/?IgoHatsuyoRonProblem129/Solution

Variation at B6]
PL[W]

AB[kb][qb][jc][lc][nc][oc][qc][jd][ld][ke][oe][pe][kf][lf][nf][og]
AW[ib][mb][nb][rb][ic][mc][rc][id][kd][md][qd][le][me][qe][qf][pg]

;W[qa]C[W5]MN[5]
;B[pb]C[B6]MN[6]
;W[ob]C[W7]MN[7]
;B[pa]C[B8]MN[8]
;W[pd]C[W9]MN[9]

;
)
