(;GM[1]FF[4]SZ[19]
GN[Follow-up 3]
PC[http://senseis.xmp.net/?ThicknessExample4]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThicknessExample4

Follow-up 3]
PL[W]

AB[hc][cd][dd][ed][fd][dj]
AW[fb][cc][dc][fc]
LB[gd:b][bf:a]

;W[bd]C[W1]MN[1]
;B[be]C[B2]MN[2]
;W[bc]C[W3]MN[3]

;LB[gd:b][bf:a]
)
