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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:168AE GHM

Order: 18

Horizontal side: 168 Vertical side: 168

Elements: 2√2, 6√2, 12, 9√2, 12√2, 18, 24, 20√2, 22√2, 40, 44, 40√2, 62, 44√2, 53√2, 62√2, 106, 84√2.

Code: 1065 0 62 844 84 84 406 128 128 443 128 84 405 128 88 22 130 86 204 148 68 446 124 44 243 130 62 122 142 74 224 106 62 123 142 62 62 148 68 625 0 0 624 62 0 96 115 53 187 124 62 530 115 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
40√2
44
40
2√2
20√2
44√2
24
12√2
22√2
12
6√2
62
62√2
9√2
18
53√2