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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:97AA GHM

Order: 18

Horizontal side: 97 Vertical side: 97

Elements: 6, 7, 6√2, 10, 12, 10√2, 18, 20, 24, 20√2, 30, 25√2, 37, 40, 30√2, 47, 50, 67.

Code: 677 0 97 473 67 50 307 67 97 306 67 67 245 67 43 206 0 30 407 20 50 503 60 0 252 85 25 71 67 50 181 85 43 67 85 43 60 91 43 127 85 37 373 97 0 205 0 10 105 0 0 104 10 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)

67
47
30
30√2
24
20√2
40
50
25√2
7
18
6
6√2
12
37
20
10
10√2