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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:104AR GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1√2, 2, 6, 6√2, 8√2, 18, 22, 18√2, 19√2, 28, 20√2, 34, 26√2, 28√2, 48, 52, 56, 52√2.

Code: 565 0 48 524 52 52 523 104 52 264 78 26 343 104 18 485 0 0 284 28 20 283 56 20 225 56 26 67 56 26 60 62 26 84 70 18 204 48 0 16 67 19 25 68 18 190 67 19 184 86 0 183 104 0

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)

56
52√2
52
26√2
34
48
28√2
28
22
6
6√2
8√2
20√2
1√2
2
19√2
18√2
18