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

Variation at 4]
PL[B]

AB[fo][go][dp][ep][hp][bq][dq][hq][jq][cr][ir][ds]
AW[cp][fp][gp][cq][eq][gq][dr][er][gr][hr]
LB[eo:b][br:a]

;B[bp]C[B1]MN[1]
;W[co]C[W2]MN[2]

;LB[eo:b][br:a]
)
