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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:122AA GHM

Order: 18

Horizontal side: 122 Vertical side: 122

Elements: 4√2, 8, 8√2, 15, 16, 14√2, 15√2, 16√2, 28, 30, 32, 30√2, 43, 32√2, 60, 62, 47√2, 61√2.

Code: 627 0 122 320 62 122 321 94 122 162 110 106 281 122 122 163 110 90 82 118 98 83 118 90 42 122 94 476 75 47 300 30 90 301 60 90 152 75 75 151 75 90 437 75 90 146 61 61 610 61 61 607 0 60

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)

62
32√2
32
16√2
28
16
8√2
8
4√2
47√2
30√2
30
15√2
15
43
14√2
61√2
60