(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem79/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem79/Solution

Main line]
PL[B]

AB[kb][lc][qc][rc][ld][md][nd][od][pd]
AW[jb][lb][kc][mc][nc][oc][kd][rd][le][qe][mf][of][qg]
CR[pa]

;B[mb]C[B1]MN[1]
;W[ka]C[W2]MN[2]
;B[ob]C[B3]MN[3]
;W[nb]C[W4]MN[4]
;B[oa]C[B5]MN[5]
;W[ma]C[W6]MN[6]
;B[qb]C[B7]MN[7]

;CR[pa]
)
