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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:78AW GHM

Order: 19

Horizontal side: 78 Vertical side: 78

Elements: 3, 4, 4√2, 8, 6√2, 10, 8√2, 13, 10√2, 12√2, 19, 14√2, 20, 15√2, 29, 39, 29√2, 49, 39√2.

Code: 495 0 29 394 39 39 393 78 39 104 49 29 103 59 29 135 59 26 191 78 39 297 0 29 290 29 29 154 44 14 33 59 26 120 56 26 84 64 18 83 72 18 62 78 20 203 78 0 44 68 14 43 72 14 144 58 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)

49
39√2
39
10√2
10
13
19
29
29√2
15√2
3
12√2
8√2
8
6√2
20
4√2
4
14√2