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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:102AB GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 6√2, 7√2, 12, 12√2, 18, 16√2, 24, 28, 30, 32, 23√2, 36, 28√2, 42, 30√2, 44, 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 28 302 30 30 234 23 37 166 30 44 327 46 60 76 23 37 445 30 0 303 30 0 284 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
30√2
23√2
16√2
32
7√2
44
30
28√2
28