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3 original generators of the toric ring
2 extreme rays
2 support hyperplanes
embedding dimension = 2
rank = 2 (maximal)
external index = 2
internal index = 1
grading:
1 1
with denominator = 2
degrees of extreme rays:
1:2
***********************************************************************
3 original generators:
2 0
1 1
0 2
2 extreme rays:
0 2
2 0
2 support hyperplanes:
0 1
1 0
1 congruences:
1 1 2
2 basis elements of generated lattice:
1 1
0 2
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