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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:81AF GHM

Order: 18

Horizontal side: 81 Vertical side: 81

Elements: 3√2, 4√2, 6, 8, 6√2, 10, 8√2, 12, 18, 17√2, 18√2, 29, 23√2, 35, 26√2, 29√2, 46, 52.

Code: 525 0 29 461 46 81 182 64 63 351 81 81 183 64 45 172 81 46 236 58 23 107 46 45 46 52 41 87 56 45 86 56 37 66 46 35 125 52 29 295 0 0 294 29 0 36 55 26 67 58 29 260 55 26

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)

52
46
18√2
35
18
17√2
23√2
10
4√2
8
8√2
6√2
12
29
29√2
3√2
6
26√2