(;GM[1]FF[4]SZ[19]
GN[Examples of extensions]
PC[http://senseis.xmp.net/?Extension]AP[GoWiki:2009]
DT[2012-02-10]
C[Diagram from http://senseis.xmp.net/?Extension

Examples of extensions]
PL[B]

AB[dc][ce][dn][do][eq]
AW[qf][cm][co][cp]

;B[jc]C[B1]MN[1]
;W[qi]C[W2]MN[2]
;B[jq]C[B3]MN[3]

;
)
