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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144BZ GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 4, 4√2, 8, 8√2, 10√2, 20, 22, 23, 18√2, 27, 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 87 78 28 80 86 28 184 104 10 45 74 20 201 94 20 102 104 10

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
18√2
4
20
10√2