(;GM[1]FF[4]SZ[19]
GN[[4-4 point low approach low extension\]]
PC[http://senseis.xmp.net/?AvoidBeingSealedIn]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?AvoidBeingSealedIn

[4-4 point low approach low extension\]]
PL[W]

AB[dd]
LB[df:a][cg:b]

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

;LB[df:a][cg:b]
)
