(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem85/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem85/Solution

Main line]
PL[B]

AB[qb][kc][mc][qc][od][qd][sd][qe][re][sg]
AW[pb][rb][sb][oc][rc][nd][rd][oe][pe][qf][pg][rg][rh]

;B[qa]C[B1]MN[1]
;W[pa]C[W2]MN[2]
;B[rf]C[B3]MN[3]
;W[sf]C[W4]MN[4]
;B[sc]C[B5]MN[5]
;W[se]C[W6]MN[6]

;
)
