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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:130AO GHM

Order: 19

Horizontal side: 130 Vertical side: 130

Elements: 1√2, 5, 5√2, 10, 8√2, 9√2, 10√2, 16, 18, 20, 21, 18√2, 36, 47, 56, 65, 74, 56√2, 65√2.

Code: 745 0 56 654 65 65 653 130 65 94 74 56 80 83 65 471 130 65 10 75 57 161 91 57 215 91 36 567 0 56 560 56 56 201 76 56 102 86 46 103 86 36 52 91 41 53 91 36 361 112 36 182 130 18 183 130 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)

74
65√2
65
9√2
8√2
47
1√2
16
21
56
56√2
20
10√2
10
5√2
5
36
18√2
18