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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:104AZ GHM

Order: 18

Horizontal side: 104 Vertical side: 104

Elements: 1√2, 6, 6√2, 12, 9√2, 10√2, 11√2, 17, 20, 22, 23, 20√2, 32, 42, 52, 42√2, 62, 52√2.

Code: 625 0 42 524 52 52 523 104 52 104 62 42 90 72 52 321 104 52 10 63 43 121 75 43 62 81 37 61 81 43 235 81 20 427 0 42 420 42 42 221 64 42 112 75 31 173 81 20 204 84 0 203 104 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)

62
52√2
52
10√2
9√2
32
1√2
12
6√2
6
23
42
42√2
22
11√2
17
20√2
20