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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:108AH GHM

Order: 18

Horizontal side: 108 Vertical side: 108

Elements: 7√2, 10, 8√2, 16, 16√2, 24, 26, 19√2, 28, 32, 26√2, 28√2, 40, 42, 48, 56, 40√2, 42√2.

Code: 425 0 66 424 42 66 323 84 76 162 100 92 241 108 108 163 100 76 82 108 84 563 108 28 103 52 66 487 52 76 265 0 40 264 26 40 196 33 47 70 33 47 407 0 40 400 40 40 284 80 0 283 108 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
32
16√2
24
16
8√2
56
10
48
26
26√2
19√2
7√2
40
40√2
28√2
28