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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120AA GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 2, 2√2, 3√2, 16, 16√2, 26, 32, 33, 26√2, 39, 42, 32√2, 52, 39√2, 42√2, 62, 52√2.

Code: 525 0 68 524 52 68 160 104 120 161 120 120 623 88 42 322 120 72 321 120 104 333 120 39 265 0 42 264 26 42 425 0 0 424 42 0 30 84 42 24 86 40 23 88 40 14 87 39 390 81 39 391 120 39

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
52√2
16√2
16
62
32√2
32
33
26
26√2
42
42√2
3√2
2√2
2
1√2
39√2
39