(;GM[1]FF[4]SZ[5]
GN[Building "walls"]
PC[http://senseis.xmp.net/?AshleyF/StoneCountingRules]AP[GoWiki:2009]
DT[2009-04-22]
C[Diagram from http://senseis.xmp.net/?AshleyF/StoneCountingRules

Building "walls"]
PL[B]

AB[ab][bc][bd][cd]
AW[ba][bb][cc][dc]

;B[dd]C[B1]MN[1]
;W[ed]C[W2]MN[2]
;B[eb]C[B3]MN[3]
;W[ec]C[W4]MN[4]

;
)
