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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:80AF GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 1√2, 2, 5, 7, 8, 6√2, 8√2, 12, 9√2, 11√2, 16, 22, 24, 32, 24√2, 28√2, 40, 32√2, 40√2.

Code: 405 0 40 404 40 40 246 56 56 163 56 40 245 56 32 225 0 18 284 28 12 83 56 32 320 48 32 321 80 32 92 9 9 114 11 7 60 22 18 53 16 7 127 16 12 16 8 8 25 9 7 80 8 8 71 16 7

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)

40
40√2
24√2
16
24
22
28√2
8
32√2
32
9√2
11√2
6√2
5
12
1√2
2
8√2
7