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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:66AI GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 1, 1√2, 2, 3, 3√2, 5√2, 8, 10, 8√2, 12, 10√2, 20, 23, 28, 33, 38, 28√2, 33√2.

Code: 385 0 28 334 33 33 333 66 33 54 38 28 23 43 31 12 44 32 231 66 33 13 44 31 125 44 20 30 41 31 31 44 31 287 0 28 280 28 28 84 36 20 83 44 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
2
1√2
23
1
12
3√2
3
28
28√2
8√2
8
20
10√2
10