(;GM[1]FF[4]SZ[19]
GN[White to live]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem93/Attempts]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem93/Attempts

White to live]
PL[W]

AB[na][oa][mb][ob][qb][mc][oc][ld][pd][qd][le][qe][lf][rf][mg][rg][oh][qh]
AW[pa][nb][kc][lc][nc][md][nd][od][rd][pe][re][nf][pf][qf]

;W[qc]C[W1]MN[1]
;B[pc]C[B2]MN[2]
;W[rc]C[W3]MN[3]
;B[rb]C[B4]MN[4]
;W[sb]C[W5]MN[5]
;B[sc]C[B6]MN[6]
;W[sd]C[W7]MN[7]
;B[sf]C[B8]MN[8]

;
)
