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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:56AZ GHM

Order: 18

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 4√2, 7, 8, 9, 7√2, 8√2, 9√2, 14, 10√2, 16, 18, 14√2, 20, 16√2, 28, 32, 28√2.

Code: 325 0 24 284 28 28 283 56 28 44 32 24 106 26 18 207 36 28 146 42 14 165 0 8 164 16 8 183 26 0 92 35 9 76 35 7 145 42 0 93 35 0 12 36 8 85 0 0 84 8 0 75 35 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)

32
28√2
28
4√2
10√2
20
14√2
16
16√2
18
9√2
7√2
14
9
1√2
8
8√2
7