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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:108BX GHM

Order: 19

Horizontal side: 108 Vertical side: 108

Elements: 4√2, 8, 7√2, 8√2, 12, 14, 12√2, 13√2, 18√2, 27, 28, 20√2, 22√2, 27√2, 40, 41, 54, 68, 54√2.

Code: 685 0 40 544 54 54 543 108 54 141 68 54 132 81 41 204 88 34 276 81 27 413 81 0 72 88 34 405 0 0 224 22 18 40 44 40 124 56 28 123 68 28 186 22 18 87 40 36 80 48 36 287 40 28 275 81 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)

68
54√2
54
14
13√2
20√2
27√2
41
7√2
40
22√2
4√2
12√2
12
18√2
8
8√2
28
27