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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122CH GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 4√2, 5√2, 8, 10, 8√2, 10√2, 16, 20, 16√2, 26, 20√2, 42, 44, 34√2, 54, 39√2, 44√2, 68, 78.

Code: 785 0 44 681 68 122 425 68 80 541 122 122 267 68 80 160 94 80 161 110 80 82 118 72 83 118 64 42 122 68 346 88 34 106 68 54 205 78 44 204 98 44 445 0 0 444 44 0 56 83 39 107 88 44 390 83 39

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)

78
68
42
54
26
16√2
16
8√2
8
4√2
34√2
10√2
20
20√2
44
44√2
5√2
10
39√2