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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:80AQ5of8 GHM

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 1, 1√2, 2, 2√2, 3, 4, 5√2, 7√2, 14, 12√2, 14√2, 26, 28, 33, 40, 33√2, 47, 40√2.

Code: 475 0 33 404 40 40 403 80 40 74 47 33 120 54 40 261 80 40 337 0 33 330 33 33 54 38 28 10 43 33 11 44 33 37 44 33 43 42 28 22 44 30 21 44 32 281 66 28 142 80 14 143 80 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)

47
40√2
40
7√2
12√2
26
33
33√2
5√2
1√2
1
3
4
2√2
2
28
14√2
14