M = A + 1I
Clebsch graph: 
16
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0 0 1 0 1 0 1 0 1 0 1 0 0 1 0 0
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0 0 0 0 6 6 6 6 6 1 5 1 1 6 6 0
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0 0 0 0 0 0 0 0 0 0 0 0 0 3 0 4
0 0 0 0 0 0 0 0 0 0 0 0 0 0 3 4
0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 6

 
 
M22 graph: 
77
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Gewirtz graph: 
56
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HS graph: 
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M = A + 2I
Clebsch graph: 
15
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M22 graph: 
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M = A + 3I
Clebsch graph: 
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M22 graph: 
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Gewirtz graph: 
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HS graph: 
29
3 1 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 0 0 0 0 0 1 1 0 0 0 0
0 5 1 0 2 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 2 1 0 0 0 0 2 1 0 0 0 0 2 1 1 0 0 0 2 2 1 0 0 0
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M = A + 4I
Clebsch graph: 
16
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0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 4

 
 
M22 graph: 
77
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Gewirtz graph: 
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HS graph: 
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M = A + 5I
Clebsch graph: 
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M22 graph: 
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Gewirtz graph: 
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HS graph: 
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M = A + 6I
Clebsch graph: 
6
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M22 graph: 
56
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Gewirtz graph: 
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