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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:80AQ1of8 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 24 35 31 23 37 31 12 38 32 54 42 28 13 38 31 45 38 28 31 38 31 281 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
2√2
2
1√2
5√2
1
4
3
28
14√2
14