(;GM[1]FF[4]SZ[19]
GN[White to move]
PC[http://senseis.xmp.net/?GokyoShumyoSection7Problem4/Attempts]AP[GoWiki:2009]
DT[2011-12-14]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection7Problem4/Attempts

White to move]
PL[W]

AB[fb][fc][gc][kc][lc][pc][ed][gd][ge][he][ie][le][eg][gg][kg][lg][gi][ii][ki][fj][ij]
AW[gb][hb][jb][dc][ec][dd][hd][id][jd][ee][je][df][if][kf][ig][ch][ih][ei][ej]

;W[gh]C[W1]MN[1]
;B[hh]C[B2]MN[2]
;W[gf]C[W3]MN[3]
;B[hf]C[B4]MN[4]
;W[hg]C[W5]MN[5]

;
)
