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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:198AB GHM

Order: 18

Horizontal side: 198 Vertical side: 198

Elements: 6, 6√2, 12, 12√2, 28, 28√2, 42, 56, 58, 42√2, 47√2, 70, 53√2, 56√2, 58√2, 98, 70√2, 128.

Code: 1287 0 198 476 81 151 707 128 198 706 128 128 530 81 151 122 140 116 123 140 104 582 198 58 64 134 98 63 140 98 286 0 70 565 28 42 564 84 42 983 140 0 285 0 42 583 198 0 425 0 0 424 42 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)

128
47√2
70
70√2
53√2
12√2
12
58√2
6√2
6
28√2
56
56√2
98
28
58
42
42√2