Incidence matrix
8 | 3 3 1 | 3 9 3 | 1 4 3
--+---------+--------+------
2 | 12 * * | 2 2 1 | 1 2 2 x - edges of either tet
2 | * 12 * | 0 4 0 | 0 2 2 q - lacing hull edges
2 | * * 4 | 0 0 3 | 0 0 3 h - lacing diagonals
--+---------+--------+------
3 | 3 0 0 | 8 * * | 1 1 0 x3o = verf(tet)
3 | 1 2 0 | * 24 * | 0 1 1 ox&#q = verf(trip)
4 | 2 0 2 | * * 6 | 0 0 2 x(-x)&#h = verf(oho)
--+---------+--------+------
4 | 6 0 0 | 4 0 0 | 2 * * x3o3o = verf(pen)
4 | 3 3 0 | 1 3 0 | * 8 * ox3oo&#q = verf(tepe)
6 | 6 6 3 | 0 6 3 | * * 4 (xo3ox&#q \ x(-x)3oo&#h) = verf(phud)
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