(;GM[1]FF[4]SZ[19]
GN[Failure (i) at 7]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem74/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem74/Solution

Failure (i) at 7]
PL[W]

AB[co][fo][go][bp][dp][ep][hp][bq][dq][hq][jq][cr][ir][ds]
AW[fp][gp][eq][gq][br][dr][er][gr][hr]
LB[ar:b][bs:a][cs:c]

;W[hs]C[W1]MN[1]
;B[fs]C[B2]MN[2]
;W[fr]C[W3]MN[3]
;B[es]C[B4]MN[4]

;LB[ar:b][bs:a][cs:c]
)
