(;GM[1]FF[4]SZ[19]
GN[Main line]
PC[http://senseis.xmp.net/?RTGProblem53/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?RTGProblem53/Attempts

Main line]
PL[B]

AB[ea][fa][ha][ja][ka][eb][ib][kb][nb][ob][cc][ec][gc][kc][pc][dd][gd][kd][md][od][ce][ee][ge][ie][je][le][me][oe][qe][ef][lf][fg][gg][kg][og][lh][mh][nh][gi][ii][ji][ki]
AW[ga][fb][gb][jb][fc][hc][ic][jc][lc][mc][nc][ed][fd][jd][ld][fe][ke][ff][jf][kf][mf][lg][mg][jh]

;B[ia]C[B1]MN[1]
;W[hb]C[W2]MN[2]
;B[jg]C[B3]MN[3]
;W[if]C[W4]MN[4]
;B[ig]C[B5]MN[5]
;W[hf]C[W6]MN[6]
;B[gf]C[B7]MN[7]
;W[lb]C[W8]MN[8]

;
)
