(;GM[1]FF[4]SZ[19]
GN[''a'' or ''b''?]
PC[http://senseis.xmp.net/?ThicknessVersusEndgame]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?ThicknessVersusEndgame

''a'' or ''b''?]
PL[B]

AB[fc]
AW[dd][cg]
LB[eb:a][cd:b]

;B[cc]C[B1]MN[1]
;W[dc]C[W2]MN[2]
;B[db]C[B3]MN[3]

;LB[eb:a][cd:b]
)
