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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:173AB2of4 GHM

Order: 19

Horizontal side: 173 Vertical side: 173

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 7, 20, 20√2, 40, 53, 40√2, 60, 73, 53√2, 80, 60√2, 100, 113.

Code: 1137 0 173 733 113 100 607 113 173 606 113 113 45 113 109 25 113 107 24 115 107 30 117 109 75 113 100 14 114 106 61 120 106 532 173 53 406 0 60 807 40 100 1003 120 0 405 0 20 533 173 0 205 0 0 204 20 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)

113
73
60
60√2
4
2
2√2
3√2
7
1√2
6
53√2
40√2
80
100
40
53
20
20√2