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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108CA GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4, 4√2, 6, 8, 7√2, 8√2, 14, 12√2, 14√2, 20, 28, 20√2, 26√2, 27√2, 40, 34√2, 54, 68, 54√2.

Code: 685 0 40 544 54 54 543 108 54 141 68 54 205 68 34 204 88 34 276 81 27 405 0 0 264 26 14 120 52 40 84 60 32 83 68 32 67 68 34 340 74 34 74 81 27 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
14
20
20√2
27√2
40
26√2
12√2
8√2
8
6
34√2
7√2
4√2
4
14√2
28