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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:80BQ GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 1√2, 2, 2√2, 8, 9, 11, 8√2, 14, 16, 12√2, 13√2, 14√2, 15√2, 26, 27, 27√2, 40, 53, 40√2.

Code: 535 0 27 404 40 40 403 80 40 134 53 27 113 66 29 142 80 26 141 80 40 20 55 29 21 57 29 12 58 28 91 66 29 163 58 12 82 66 20 277 0 27 270 27 27 154 42 12 263 80 0 83 66 12 124 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
13√2
11
14√2
14
2√2
2
1√2
9
16
8√2
27
27√2
15√2
26
8
12√2