(;GM[1]FF[4]SZ[19]
GN[Variation]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem3/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem3/Solution

Variation]
PL[B]

AB[ma][nb][ob][qb][rb][pc][rc]
AW[na][kb][mb][mc][nc][oc][qc][qd][rd][pe][qf]
LB[sb:a]

;B[sc]C[B1]MN[1]
;W[sa]C[W2]MN[2]
;B[ra]C[B3]MN[3]
;W[pa]C[W4]MN[4]
;B[pb]C[B5]MN[5]
;W[oa]C[W6]MN[6]
;B[qa]C[B7]MN[7]

;LB[sb:a]
)
