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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:120AG GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 2, 2√2, 4, 8√2, 16, 16√2, 25, 27, 31, 32, 33, 29√2, 31√2, 32√2, 56, 58, 64, 60√2.

Code: 645 0 56 604 60 60 583 120 62 20 62 62 294 91 33 316 89 31 41 64 60 275 64 33 565 0 0 324 32 24 323 64 24 257 64 33 333 89 0 27 89 33 315 89 0 164 48 8 163 64 8 84 56 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)

64
60√2
58
2√2
29√2
31√2
4
27
56
32√2
32
25
33
2
31
16√2
16
8√2