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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:164AR GHM

Order: 18

Horizontal side: 164 Vertical side: 164

Elements: 6, 6√2, 12, 11√2, 12√2, 20, 22, 18√2, 20√2, 40, 42, 40√2, 42√2, 62, 51√2, 62√2, 102, 82√2.

Code: 1025 0 62 824 82 82 426 122 122 403 122 82 425 122 80 204 102 62 203 122 62 67 122 80 60 128 80 184 146 62 406 124 40 127 122 74 120 134 74 625 0 0 624 62 0 116 113 51 227 124 62 510 113 51

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)

102
82√2
42√2
40
42
20√2
20
6
6√2
18√2
40√2
12
12√2
62
62√2
11√2
22
51√2