(;GM[1]FF[4]SZ[19]
GN[variation 1]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem83/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem83/Solution

variation 1]
PL[B]

AB[qa][qb][sb][jc][kc][nc][oc][pc][rc][rd][le][lf][rf][ng][og][qg][qi]
AW[ra][nb][rb][mc][qc][nd][od][qd][me][qe][re][of]
CR[ra][rb]
LB[mb:a][md:b][pd:c][se:d]

;B[sa]C[B1]MN[1]
;W[ob]C[W2]MN[2]
;B[pb]C[B3]MN[3]
;W[sd]C[W4]MN[4]

;CR[ra][rb]
LB[mb:a][md:b][pd:c][se:d]
)
