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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:66AJ GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 1, 1√2, 2, 2√2, 5, 5√2, 9, 10, 11, 8√2, 10√2, 20, 23, 28, 33, 38, 28√2, 33√2.

Code: 385 0 28 334 33 33 333 66 33 54 38 28 53 43 28 22 45 31 231 66 33 23 45 29 115 45 20 15 43 28 14 44 28 93 45 20 287 0 28 280 28 28 84 36 20 201 56 20 102 66 10 103 66 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)

38
33√2
33
5√2
5
2√2
23
2
11
1
1√2
9
28
28√2
8√2
20
10√2
10