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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AU GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 2√2, 8, 8√2, 16, 12√2, 16√2, 18√2, 19√2, 20√2, 24√2, 36, 38, 40, 39√2, 56, 40√2, 58, 78, 68√2.

Code: 785 0 58 684 68 68 563 136 80 126 68 68 87 80 80 80 88 80 244 112 56 406 96 40 167 80 72 160 96 72 585 0 0 394 39 19 20 78 58 186 58 38 367 76 56 206 76 20 405 96 0 196 39 19 385 58 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)

78
68√2
56
12√2
8
8√2
24√2
40√2
16
16√2
58
39√2
2√2
18√2
36
20√2
40
19√2
38