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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:168AB GHM

Order: 19

Horizontal side: 168 Vertical side: 168

Elements: 15, 18, 20√2, 29, 30, 40, 29√2, 30√2, 46, 47, 40√2, 58, 60, 61, 62, 46√2, 78, 61√2, 92.

Code: 787 0 168 583 78 110 292 107 139 291 107 168 617 107 168 616 107 107 473 107 92 206 0 90 407 20 110 406 20 70 187 60 110 155 107 92 627 60 92 923 122 0 462 168 46 605 0 30 463 168 0 305 0 0 304 30 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
58
29√2
29
61
61√2
47
20√2
40
40√2
18
15
62
92
46√2
60
46
30
30√2