(;GM[1]FF[4]SZ[19]
GN[Dubious exchange]
PC[http://senseis.xmp.net/?BQM240]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?BQM240

Dubious exchange]
PL[W]

AB[dc][fc][ee][fe][dh]
AW[dd][gd][de][ef]
CR[gd]

;W[ff]C[W1]MN[1]
;B[ge]C[B2]MN[2]
;W[cc]C[W3]MN[3]
;B[db]C[B4]MN[4]

;CR[gd]
)
