(;GM[1]FF[4]SZ[19]
GN[Variation at 2: failure]
PC[http://senseis.xmp.net/?GokyoShumyoSection1Problem81/Solution]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?GokyoShumyoSection1Problem81/Solution

Variation at 2: failure]
PL[W]

AB[kc][lc][qc][rc][md][nd][pd][oe][qe]
AW[qb][nc][oc][pc][od]

;W[rb]C[W1]MN[1]
;B[mb]C[B2]MN[2]
;W[sb]C[W3]MN[3]
;B[pa]C[B4]MN[4]

;
)
