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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:66AS GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 2√2, 4, 3√2, 6, 8, 6√2, 7√2, 9√2, 14, 18, 13√2, 20, 22, 26, 20√2, 22√2, 44, 46.

Code: 465 0 20 441 44 66 222 66 44 221 66 66 183 66 26 43 48 22 62 54 20 94 57 17 263 66 0 24 46 20 83 48 14 207 0 20 200 20 20 134 33 7 63 54 14 32 57 17 76 33 7 147 40 14

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

46
44
22√2
22
18
4
6√2
9√2
26
2√2
8
20
20√2
13√2
6
3√2
7√2
14