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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108CC GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 3√2, 4√2, 6, 8, 8√2, 12√2, 14√2, 20, 17√2, 28, 20√2, 34, 26√2, 40, 34√2, 54, 68, 54√2.

Code: 685 0 40 544 54 54 543 108 54 174 71 37 200 88 54 201 108 54 405 0 0 264 26 14 120 52 40 84 60 32 83 68 32 32 71 37 67 68 34 340 74 34 341 108 34 44 64 28 43 68 28 146 26 14 287 40 28

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)

68
54√2
54
17√2
20√2
20
40
26√2
12√2
8√2
8
3√2
6
34√2
34
4√2
4
14√2
28