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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:66AK GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 1, 1√2, 2, 3, 4, 5√2, 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 23 47 31 35 47 30 191 66 33 50 45 31 14 46 30 13 47 30 41 50 30 165 50 14 267 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
2
3
19
5√2
1√2
1
4
16
26
26√2
12√2
12
14√2
14