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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:80AQ4of8 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 41 37 33 35 37 30 54 42 28 17 37 30 16 37 29 27 38 30 20 40 30 281 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
4
3
5√2
1
1√2
2
2√2
28
14√2
14