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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:74AL GHM

Order: 18

Horizontal side: 74 Vertical side: 74

Elements: 3√2, 6, 6√2, 9, 7√2, 8√2, 12, 14, 16, 18, 14√2, 16√2, 28, 30, 22√2, 37, 44, 37√2.

Code: 445 0 30 374 37 37 373 74 37 144 51 23 30 65 37 91 74 37 183 62 16 67 62 34 60 68 34 305 0 0 224 22 8 143 44 16 72 51 23 127 62 28 283 74 0 86 22 8 165 30 0 164 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)

44
37√2
37
14√2
3√2
9
18
6
6√2
30
22√2
14
7√2
12
28
8√2
16
16√2