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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:80BB GHM

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 6√2, 10√2, 13√2, 14√2, 20, 26, 27, 20√2, 27√2, 40, 53, 40√2.

Code: 535 0 27 404 40 40 403 80 40 104 50 30 83 60 32 207 60 40 206 60 20 26 50 30 45 52 28 44 56 28 66 54 26 14 53 27 146 40 14 27 54 28 277 0 27 270 27 27 134 40 14 265 54 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)

53
40√2
40
10√2
8
20
20√2
2√2
4
4√2
6√2
1√2
14√2
2
27
27√2
13√2
26