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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:84AO GHM

Order: 18

Horizontal side: 84 Vertical side: 84

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 5√2, 10, 14, 14√2, 26, 28, 26√2, 28√2, 29√2, 42, 44, 42√2.

Code: 425 0 42 424 42 42 296 55 55 30 55 55 103 52 42 52 57 47 61 58 52 262 84 26 10 57 47 43 56 42 22 58 44 21 58 46 443 58 0 285 0 14 284 28 14 263 84 0 145 0 0 144 14 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)

42
42√2
29√2
3√2
10
5√2
6
26√2
1√2
4
2√2
2
44
28
28√2
26
14
14√2