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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:117AB GHM

Order: 19

Horizontal side: 117 Vertical side: 117

Elements: 5, 5√2, 6√2, 12, 12√2, 13√2, 23, 18√2, 26, 31, 23√2, 34, 26√2, 39, 34√2, 52, 39√2, 47√2, 78.

Code: 785 0 39 474 47 70 230 94 117 231 117 117 66 65 88 127 71 94 126 71 82 347 83 94 346 83 60 180 65 88 311 78 70 57 78 70 56 78 65 132 91 52 523 91 0 262 117 26 395 0 0 394 39 0 263 117 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)

78
47√2
23√2
23
6√2
12
12√2
34
34√2
18√2
31
5
5√2
13√2
52
26√2
39
39√2
26