(;GM[1]FF[4]SZ[19]
GN[Failure 3: ko??]
PC[http://senseis.xmp.net/?GokyoShumyoSection2Problem1/Comments]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection2Problem1/Comments

Failure 3: ko??]
PL[W]

AB[oa][pb][nc][oc][pc][qc][rc][rd]
AW[mb][nb][ob][mc][nd][od][pd][qd][re][qf]
CR[oa]
LB[ra:b][sc:a][sd:c]

;W[qa]C[W1]MN[1]
;B[pa]C[B2]MN[2]
;W[rb]C[W3]MN[3]
;B[sb]C[B4]MN[4]
;W[sa]C[W5]MN[5]

;CR[oa]
LB[ra:b][sc:a][sd:c]
)
