NumNodes:   11
NumGroups:  12
NumLevels:  2
LevelSizes: 10 1
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G[0][1]{4}
G[0][1]{5}
G[0][1]{6}
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G[0][1]{8}
G[0][1]{9}
G[0][1]{10}
G[1][11]{0,1,2,3,4,5,6,7,8,9,10}