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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:99AH GHM

Order: 18

Horizontal side: 99 Vertical side: 99

Elements: 4, 5, 4√2, 8, 6√2, 12, 9√2, 12√2, 17, 18, 23, 29, 23√2, 29√2, 35√2, 41√2, 58, 70.

Code: 707 0 99 583 70 41 292 99 70 291 99 99 356 64 35 126 0 29 235 12 18 234 35 18 410 58 41 64 64 35 125 0 17 57 12 18 96 8 9 187 17 18 175 0 0 81 8 17 42 12 13 41 12 17

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)

70
58
29√2
29
35√2
12√2
23
23√2
41√2
6√2
12
5
9√2
18
17
8
4√2
4