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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:80AA GHM

Order: 18

Horizontal side: 80 Vertical side: 80

Elements: 2√2, 5√2, 7√2, 14, 16, 18, 14√2, 22, 16√2, 18√2, 26, 20√2, 21√2, 22√2, 36, 26√2, 31√2, 44.

Code: 312 31 49 264 26 54 263 52 54 212 73 59 144 66 66 143 80 66 74 73 59 443 80 22 54 31 49 363 36 18 162 52 38 161 52 54 22 38 20 224 58 0 223 80 0 200 38 20 185 0 0 184 18 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)

31√2
26√2
26
21√2
14√2
14
7√2
44
5√2
36
16√2
16
2√2
22√2
22
20√2
18
18√2