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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AB2of2 GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 8, 8√2, 12, 11√2, 16, 12√2, 22, 16√2, 17√2, 22√2, 24√2, 34, 34√2, 56, 68, 51√2, 57√2, 68√2.

Code: 685 0 68 684 68 68 576 79 79 110 79 79 342 34 34 341 34 68 172 51 51 561 90 68 242 114 44 510 51 51 166 98 28 222 136 22 86 90 20 165 98 12 223 136 0 85 90 12 124 102 0 123 114 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
68√2
57√2
11√2
34√2
34
17√2
56
24√2
51√2
16√2
22√2
8√2
16
22
8
12√2
12