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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:80AT GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 1, 2√2, 4, 4√2, 8, 7√2, 8√2, 12, 13, 14, 10√2, 14√2, 20, 26, 33, 40, 33√2, 47, 40√2.

Code: 475 0 33 404 40 40 403 80 40 74 47 33 80 54 40 261 80 40 337 0 33 330 33 33 131 46 33 17 46 33 127 46 32 26 56 30 47 58 32 40 62 32 100 56 30 81 66 28 142 80 14 201 66 20 143 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
8√2
26
33
33√2
13
1
12
2√2
4
4√2
10√2
8
14√2
20
14