(;GM[1]FF[4]SZ[19]
GN[Black is overconcentrated]
PC[http://senseis.xmp.net/?DoubleLowWing]AP[GoWiki:2009]
DT[2009-08-05]
C[Diagram from http://senseis.xmp.net/?DoubleLowWing

Black is overconcentrated]
PL[W]

AB[ec][fc][gc][jc][cd][dd][be][cj]
AW[eb][fb][cc][dc][bd]

;W[bc]C[W1]MN[1]
;B[cf]C[B2]MN[2]

;
)
