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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:134AO GHM

Order: 19

Horizontal side: 134 Vertical side: 134

Elements: 1√2, 2, 2√2, 4, 5√2, 10, 10√2, 19, 20, 21, 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 57 103 87 57 52 92 62 471 134 67 10 92 62 43 91 57 22 93 59 21 93 61 215 93 40 193 93 40 577 0 57 570 57 57 174 74 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
10
5√2
47
1√2
4
2√2
2
21
19
57
57√2
17√2
40
20√2
20