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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:78AV GHM

Order: 19

Horizontal side: 78 Vertical side: 78

Elements: 1, 4√2, 8, 6√2, 9, 10, 8√2, 12, 10√2, 16, 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 95 59 30 191 78 39 17 59 30 163 60 14 82 68 22 81 68 30 42 72 26 297 0 29 290 29 29 154 44 14 123 72 14 62 78 20 203 78 0 144 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
9
19
1
16
8√2
8
4√2
29
29√2
15√2
12
6√2
20
14√2