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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:108BE GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 1√2, 2, 5√2, 10, 14, 10√2, 16, 20, 17√2, 19√2, 34, 36, 37, 38, 36√2, 37√2, 71, 72.

Code: 725 0 36 711 71 108 377 71 108 376 71 71 172 88 54 163 88 38 205 88 34 16 71 37 27 72 38 383 74 0 192 93 19 141 88 38 365 0 0 364 36 0 105 88 24 104 98 24 343 108 0 54 93 19

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)

72
71
37
37√2
17√2
16
20
1√2
2
38
19√2
14
36
36√2
10
10√2
34
5√2