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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:90AH GHM

Order: 19

Horizontal side: 90 Vertical side: 90

Elements: 3√2, 4√2, 8, 8√2, 15, 15√2, 22, 29, 30, 31, 22√2, 32, 23√2, 35, 36, 26√2, 38, 29√2, 32√2.

Code: 387 0 90 230 38 90 264 64 64 296 61 61 150 15 67 151 30 67 317 30 67 353 61 32 32 64 64 295 61 32 307 0 52 86 22 44 226 0 22 85 22 36 365 22 0 44 26 32 324 58 0 323 90 0 225 0 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)

38
23√2
26√2
29√2
15√2
15
31
35
3√2
29
30
8√2
22√2
8
36
4√2
32√2
32
22