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

Attach-extend]
PL[B]

AB[dd][fd]
AW[hc][ge][cf]
LB[ce:a]

;B[df]C[B1]MN[1]
;W[dg]C[W2]MN[2]
;B[ef]C[B3]MN[3]

;LB[ce:a]
)
