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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:134AQ GHM

Order: 19

Horizontal side: 134 Vertical side: 134

Elements: 1√2, 2, 2√2, 3, 3√2, 7, 10, 10√2, 20, 18√2, 19√2, 20√2, 40, 47, 57, 67, 77, 57√2, 67√2.

Code: 775 0 57 674 67 67 673 134 67 104 77 57 103 87 57 75 87 60 471 134 67 37 87 60 30 90 60 24 92 58 23 94 58 405 94 20 14 93 57 196 75 39 577 0 57 570 57 57 184 75 39 204 114 0 203 134 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
10
7
47
3
3√2
2√2
2
40
1√2
19√2
57
57√2
18√2
20√2
20