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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:108CF GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 2√2, 4, 4√2, 6√2, 9, 8√2, 10√2, 20, 21, 15√2, 24, 20√2, 30, 24√2, 39, 54, 39√2, 69, 54√2.

Code: 695 0 39 544 54 54 543 108 54 154 69 39 240 84 54 241 108 54 397 0 39 390 39 39 211 60 39 97 60 39 62 66 24 44 64 26 43 68 26 205 68 10 204 88 10 303 108 0 24 66 24 86 60 18 104 78 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)

69
54√2
54
15√2
24√2
24
39
39√2
21
9
6√2
4√2
4
20
20√2
30
2√2
8√2
10√2