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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:98BL GHM

Order: 18

Horizontal side: 98 Vertical side: 98

Elements: 2, 2√2, 4, 7√2, 14, 18, 14√2, 18√2, 28, 21√2, 32, 34, 36, 38, 28√2, 42, 52, 70.

Code: 707 0 98 423 70 56 212 91 77 144 84 84 143 98 84 74 91 77 323 98 52 286 0 28 387 28 56 26 64 54 47 66 56 363 64 18 25 64 52 347 64 52 523 98 0 285 0 0 185 28 0 184 46 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)

70
42
21√2
14√2
14
7√2
32
28√2
38
2√2
4
36
2
34
52
28
18
18√2