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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:102AA GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 6√2, 7√2, 12, 12√2, 18, 16√2, 23, 24, 28, 32, 23√2, 36, 37, 28√2, 42, 37√2, 56, 42√2.

Code: 425 0 60 424 42 60 60 84 102 181 102 102 363 78 60 127 78 96 120 90 96 247 78 84 563 102 28 235 0 37 234 23 37 166 30 44 327 46 60 70 30 44 377 0 37 370 37 37 284 74 0 283 102 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)

42
42√2
6√2
18
36
12
12√2
24
56
23
23√2
16√2
32
7√2
37
37√2
28√2
28