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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:108AE GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 8, 8√2, 11√2, 16, 13√2, 14√2, 22, 16√2, 26, 28, 26√2, 28√2, 40, 30√2, 39√2, 40√2, 41√2, 42√2.

Code: 412 41 67 304 30 78 80 60 108 81 68 108 407 68 108 406 68 68 223 52 78 167 52 100 166 52 84 422 94 42 114 41 67 396 13 39 140 94 42 130 13 39 280 80 28 281 108 28 267 0 26 260 26 26

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)

41√2
30√2
8√2
8
40
40√2
22
16
16√2
42√2
11√2
39√2
14√2
13√2
28√2
28
26
26√2