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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:168AG GHM

Order: 18

Horizontal side: 168 Vertical side: 168

Elements: 1√2, 3√2, 6, 6√2, 12, 10√2, 11√2, 20, 22, 20√2, 22√2, 42√2, 62, 53√2, 84, 62√2, 106, 84√2.

Code: 1065 0 62 844 84 84 843 168 84 224 106 62 106 118 74 205 128 64 204 148 64 426 126 42 123 118 62 62 124 68 63 124 62 32 127 65 10 127 65 116 115 53 227 126 64 625 0 0 624 62 0 530 115 53

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)

106
84√2
84
22√2
10√2
20
20√2
42√2
12
6√2
6
3√2
1√2
11√2
22
62
62√2
53√2