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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:122AB GHM

Order: 18

Horizontal side: 122 Vertical side: 122

Elements: 4, 4√2, 8, 9, 8√2, 9√2, 14, 16, 14√2, 16√2, 23, 32, 45, 53, 61, 69, 53√2, 61√2.

Code: 695 0 53 614 61 61 613 122 61 84 69 53 83 77 53 42 81 57 451 122 61 43 81 53 92 90 48 537 0 53 530 53 53 144 67 39 143 81 39 93 90 39 325 90 16 231 90 39 164 106 0 163 122 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)

69
61√2
61
8√2
8
4√2
45
4
9√2
53
53√2
14√2
14
9
32
23
16√2
16