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

{1|-1}]
PL[B]

AB[gr][hr][ir][gs]
AW[jr][kr][lr][ls]


;
)
