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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144BY GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 4, 4√2, 8, 6√2, 8√2, 14√2, 22, 23, 27, 28, 22√2, 25√2, 44, 47, 50, 47√2, 72, 97, 72√2.

Code: 975 0 47 724 72 72 723 144 72 254 97 47 443 122 28 222 144 50 221 144 72 503 144 0 477 0 47 470 47 47 271 74 47 237 74 47 46 74 24 85 78 20 84 86 20 146 80 14 287 94 28 45 74 20 64 80 14

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)

97
72√2
72
25√2
44
22√2
22
50
47
47√2
27
23
4√2
8
8√2
14√2
28
4
6√2