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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:122AN GHM

Order: 18

Horizontal side: 122 Vertical side: 122

Elements: 4√2, 8, 8√2, 15, 16, 15√2, 16√2, 28, 30, 32, 30√2, 43, 32√2, 47, 60, 62, 47√2, 75.

Code: 755 0 47 601 60 122 302 90 92 621 122 122 303 90 62 322 122 60 154 75 47 153 90 47 323 122 28 477 0 47 470 47 47 431 90 47 165 90 12 164 106 12 283 122 0 85 90 4 84 98 4 44 94 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)

75
60
30√2
62
30
32√2
15√2
15
32
47
47√2
43
16
16√2
28
8
8√2
4√2