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Primitive Perfect Isosceles Right Triangled Square

Title: _e 19:165AD GHM

Order: 19

Horizontal side: 165 Vertical side: 165

Elements: 7√2, 18, 18√2, 28, 20√2, 21√2, 36, 28√2, 41, 42, 54, 56, 41√2, 42√2, 48√2, 54√2, 81, 82, 63√2.

Code: 817 0 165 630 81 165 424 123 123 423 165 123 214 144 102 823 165 41 180 18 102 181 36 102 545 36 48 544 90 48 565 0 28 361 36 84 204 56 28 480 76 48 74 83 41 414 124 0 413 165 0 285 0 0 284 28 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)

81
63√2
42√2
42
21√2
82
18√2
18
54
54√2
56
36
20√2
48√2
7√2
41√2
41
28
28√2