(;GM[1]FF[4]SZ[19]
GN[Black attacks the left side]
PC[http://senseis.xmp.net/?ProfitThicknessOrFight]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ProfitThicknessOrFight

Black attacks the left side]
PL[B]

AB[dc][dd][ce][de][bf][ef][di]
AW[cc][cd][be][cf][df][bg][eg][cl]
LB[bd:a][ee:b]

;B[dg]C[B1]MN[1]
;W[cg]C[W2]MN[2]
;B[dh]C[B3]MN[3]

;LB[bd:a][ee:b]
)
