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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:66AG GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 4√2, 6, 8, 6√2, 8√2, 12, 9√2, 14, 16, 12√2, 14√2, 24, 28, 21√2, 30, 24√2, 36, 26√2.

Code: 365 0 30 264 26 40 140 52 66 141 66 66 40 38 52 281 66 52 80 34 48 81 42 48 242 66 24 161 42 40 307 0 30 96 21 21 67 30 30 60 36 30 127 30 24 126 30 12 243 66 0 210 21 21

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)

36
26√2
14√2
14
4√2
28
8√2
8
24√2
16
30
9√2
6
6√2
12
12√2
24
21√2