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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136AA2of2 GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 8, 8√2, 12, 16, 12√2, 16√2, 17√2, 22√2, 23√2, 24√2, 34, 46, 34√2, 56, 45√2, 68, 51√2, 68√2.

Code: 685 0 68 684 68 68 456 91 91 230 91 91 342 34 34 514 51 17 120 102 68 121 114 68 222 136 46 563 90 0 87 90 56 86 90 48 167 98 56 166 98 40 242 114 24 463 136 0 343 34 0 172 51 17

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
45√2
23√2
34√2
51√2
12√2
12
22√2
56
8
8√2
16
16√2
24√2
46
34
17√2