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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:66AL GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 1, 1√2, 2, 2√2, 3√2, 7, 7√2, 12, 14, 16, 12√2, 19, 14√2, 26, 33, 26√2, 40, 33√2.

Code: 405 0 26 334 33 33 333 66 33 74 40 26 73 47 26 32 50 30 191 66 33 26 48 28 165 50 14 16 47 27 25 48 26 15 47 26 267 0 26 260 26 26 124 38 14 123 50 14 144 52 0 143 66 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)

40
33√2
33
7√2
7
3√2
19
2√2
16
1√2
2
1
26
26√2
12√2
12
14√2
14