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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:129AB GHM

Order: 18

Horizontal side: 129 Vertical side: 129

Elements: 7√2, 14, 16, 14√2, 16√2, 24, 28, 20√2, 32, 24√2, 28√2, 40, 32√2, 49, 56, 40√2, 53√2, 89.

Code: 897 0 129 206 69 109 407 89 129 406 89 89 530 69 109 166 0 40 325 16 24 324 48 24 563 80 0 282 108 28 281 108 56 142 122 42 141 122 56 72 129 49 493 129 0 165 0 24 245 0 0 244 24 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)

89
20√2
40
40√2
53√2
16√2
32
32√2
56
28√2
28
14√2
14
7√2
49
16
24
24√2