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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:68AO GHM

Order: 18

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 2, 2√2, 3√2, 6, 8, 6√2, 8√2, 12, 10√2, 16, 12√2, 22, 24, 22√2, 36, 28√2, 56.

Code: 567 0 68 243 56 44 122 68 56 121 68 68 286 40 28 226 10 22 87 32 44 86 32 36 167 40 44 365 32 0 106 0 12 225 10 0 62 6 6 63 6 0 32 9 3 10 9 3 20 8 2 21 10 2

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)

56
24
12√2
12
28√2
22√2
8
8√2
16
36
10√2
22
6√2
6
3√2
1√2
2√2
2