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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:122AF GHM

Order: 18

Horizontal side: 122 Vertical side: 122

Elements: 1√2, 2, 2√2, 3, 3√2, 6, 9, 9√2, 18, 18√2, 34, 36, 43, 52, 61, 70, 52√2, 61√2.

Code: 705 0 52 614 61 61 613 122 61 94 70 52 93 79 52 65 79 55 431 122 61 35 79 52 34 82 52 10 85 55 20 84 54 21 86 54 365 86 18 527 0 52 520 52 52 341 86 52 184 104 0 183 122 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)

70
61√2
61
9√2
9
6
43
3
3√2
1√2
2√2
2
36
52
52√2
34
18√2
18