(;GM[1]FF[4]SZ[19]
GN[Double sente? (2)]
PC[http://senseis.xmp.net/?DoubleSenteGainDiscussion]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?DoubleSenteGainDiscussion

Double sente? (2)]
PL[W]

AB[cc][cd][bf][cf]
AW[dc][dd][de][eg][ch]
LB[bb:b][bh:a]

;W[db]C[W1]MN[1]
;B[cb]C[B2]MN[2]
;W[ca]C[W3]MN[3]
;B[ba]C[B4]MN[4]
;W[da]C[W5]MN[5]
;B[ab]C[B6]MN[6]

;LB[bb:b][bh:a]
)
