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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:80BS GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 1√2, 2, 5, 6√2, 10, 8√2, 12, 9√2, 14, 18, 13√2, 14√2, 21, 26, 27, 27√2, 40, 53, 40√2.

Code: 535 0 27 404 40 40 403 80 40 134 53 27 183 66 22 142 80 26 141 80 40 277 0 27 270 27 27 211 48 27 57 48 27 263 80 0 82 56 14 94 57 13 103 66 12 23 56 12 12 57 13 66 48 6 127 54 12

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
18
14√2
14
27
27√2
21
5
26
8√2
9√2
10
2
1√2
6√2
12