(;GM[1]FF[4]SZ[19]
GN[Who has more effective shape?]
PC[http://senseis.xmp.net/?HeavyVersusOverconcentrated/efficiency]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?HeavyVersusOverconcentrated/efficiency

Who has more effective shape?]
PL[B]

AB[dd][jd][pd]
AW[fc]
SQ[jd]

;B[ec]C[B1]MN[1]
;W[fd]C[W2]MN[2]

;SQ[jd]
)
