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Primitive Perfect Isosceles Right Triangled Square

Title: d 15:40AG GHM

Order: 15

Horizontal side: 40 Vertical side: 40

Elements: 1, 4, 3√2, 5, 4√2, 6, 8, 6√2, 12, 14, 17, 20, 23, 17√2, 20√2.

Code: 235 0 17 204 20 20 203 40 20 34 23 17 46 22 16 85 26 12 141 40 20 177 0 17 170 17 17 51 22 17 17 22 17 45 22 12 121 34 12 62 40 6 63 40 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)

23
20√2
20
3√2
4√2
8
14
17
17√2
5
1
4
12
6√2
6