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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:66AC GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 3, 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 14, 16, 14√2, 21, 24, 28, 21√2, 24√2, 26√2, 33√2.

Code: 332 33 33 264 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 40 123 33 21 62 39 27 63 39 21 32 42 24 33 42 21 243 66 0 210 21 21 211 42 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)

33√2
26√2
14√2
14
4√2
28
8√2
8
24√2
16
12
6√2
6
3√2
3
24
21√2
21