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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:136BB GHM

Order: 18

Horizontal side: 136 Vertical side: 136

Elements: 1√2, 2, 2√2, 3√2, 6, 5√2, 6√2, 12, 17√2, 34, 46, 34√2, 51, 56, 46√2, 51√2, 85, 90.

Code: 905 0 46 851 85 136 517 85 136 516 85 85 172 102 68 123 102 56 342 136 34 56 85 51 65 90 50 64 96 50 563 102 0 22 92 48 34 93 47 23 92 46 12 93 47 465 0 0 464 46 0 343 136 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)

90
85
51
51√2
17√2
12
34√2
5√2
6
6√2
56
2√2
3√2
2
1√2
46
46√2
34