Iso_hexes with maximum = 2, variegation not required.

1:	⟨ 0, 0, 0, 0, 0, 0 ⟩
2:	⟨ 0, 0, 1, 0, 0, 1 ⟩
3:	⟨ 0, 0, 2, 0, 0, 2 ⟩
4:	⟨ 0, 1, 0, 0, 1, 0 ⟩
5:	⟨ 0, 1, 0, 1, 0, 1 ⟩
6:	⟨ 0, 1, 1, 0, 1, 1 ⟩
7:	⟨ 0, 1, 1, 1, 0, 2 ⟩
8:	⟨ 0, 1, 2, 0, 1, 2 ⟩
9:	⟨ 0, 2, 0, 0, 2, 0 ⟩
10:	⟨ 0, 2, 0, 1, 1, 1 ⟩
11:	⟨ 0, 2, 0, 2, 0, 2 ⟩
12:	⟨ 0, 2, 1, 0, 2, 1 ⟩
13:	⟨ 0, 2, 1, 1, 1, 2 ⟩
14:	⟨ 0, 2, 2, 0, 2, 2 ⟩
15:	⟨ 1, 0, 0, 1, 0, 0 ⟩
16:	⟨ 1, 0, 1, 0, 1, 0 ⟩
17:	⟨ 1, 0, 1, 1, 0, 1 ⟩
18:	⟨ 1, 0, 2, 0, 1, 1 ⟩
19:	⟨ 1, 0, 2, 1, 0, 2 ⟩
20:	⟨ 1, 1, 0, 1, 1, 0 ⟩
21:	⟨ 1, 1, 0, 2, 0, 1 ⟩
22:	⟨ 1, 1, 1, 0, 2, 0 ⟩
23:	⟨ 1, 1, 1, 1, 1, 1 ⟩
24:	⟨ 1, 1, 1, 2, 0, 2 ⟩
25:	⟨ 1, 1, 2, 0, 2, 1 ⟩
26:	⟨ 1, 1, 2, 1, 1, 2 ⟩
27:	⟨ 1, 2, 0, 1, 2, 0 ⟩
28:	⟨ 1, 2, 0, 2, 1, 1 ⟩
29:	⟨ 1, 2, 1, 1, 2, 1 ⟩
30:	⟨ 1, 2, 1, 2, 1, 2 ⟩
31:	⟨ 1, 2, 2, 1, 2, 2 ⟩
32:	⟨ 2, 0, 0, 2, 0, 0 ⟩
33:	⟨ 2, 0, 1, 1, 1, 0 ⟩
34:	⟨ 2, 0, 1, 2, 0, 1 ⟩
35:	⟨ 2, 0, 2, 0, 2, 0 ⟩
36:	⟨ 2, 0, 2, 1, 1, 1 ⟩
37:	⟨ 2, 0, 2, 2, 0, 2 ⟩
38:	⟨ 2, 1, 0, 2, 1, 0 ⟩
39:	⟨ 2, 1, 1, 1, 2, 0 ⟩
40:	⟨ 2, 1, 1, 2, 1, 1 ⟩
41:	⟨ 2, 1, 2, 1, 2, 1 ⟩
42:	⟨ 2, 1, 2, 2, 1, 2 ⟩
43:	⟨ 2, 2, 0, 2, 2, 0 ⟩
44:	⟨ 2, 2, 1, 2, 2, 1 ⟩
45:	⟨ 2, 2, 2, 2, 2, 2 ⟩