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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:134AL GHM

Order: 19

Horizontal side: 134 Vertical side: 134

Elements: 1√2, 2, 2√2, 4, 6, 7√2, 10√2, 17, 20, 23, 17√2, 20√2, 40, 47, 57, 67, 77, 57√2, 67√2.

Code: 775 0 57 674 67 67 673 134 67 104 77 57 26 85 65 45 87 63 471 134 67 16 84 64 25 85 63 70 84 64 61 91 63 235 91 40 577 0 57 570 57 57 174 74 40 173 91 40 401 114 40 202 134 20 203 134 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)

77
67√2
67
10√2
2√2
4
47
1√2
2
7√2
6
23
57
57√2
17√2
17
40
20√2
20