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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:100BE GHM

Order: 18

Horizontal side: 100 Vertical side: 100

Elements: 4, 4√2, 8, 9, 8√2, 13, 10√2, 11√2, 20, 22, 18√2, 28, 22√2, 39, 50, 39√2, 61, 50√2.

Code: 615 0 39 504 50 50 503 100 50 114 61 39 203 72 30 102 82 40 281 100 50 180 82 40 397 0 39 390 39 39 131 52 39 97 52 39 47 52 30 46 52 26 85 56 22 84 64 22 224 78 0 223 100 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)

61
50√2
50
11√2
20
10√2
28
18√2
39
39√2
13
9
4
4√2
8
8√2
22√2
22