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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:132AB GHM

Order: 18

Horizontal side: 132 Vertical side: 132

Elements: 1√2, 2, 2√2, 4, 5√2, 10, 10√2, 20, 17√2, 19√2, 20√2, 40, 46, 56, 66, 76, 56√2, 66√2.

Code: 765 0 56 664 66 66 663 132 66 104 76 56 103 86 56 52 91 61 461 132 66 10 91 61 43 90 56 22 92 58 21 92 60 405 92 20 196 73 39 567 0 56 560 56 56 174 73 39 204 112 0 203 132 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)

76
66√2
66
10√2
10
5√2
46
1√2
4
2√2
2
40
19√2
56
56√2
17√2
20√2
20