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Primitive Perfect Isosceles Right Triangled Square

Title: _r 18:66AB1of4 GHM

Order: 18

Horizontal side: 66 Vertical side: 66

Elements: 3√2, 4√2, 6, 8, 6√2, 8√2, 12, 9√2, 14, 16, 12√2, 14√2, 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 30 33 33 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)

33√2
26√2
14√2
14
4√2
28
8√2
8
24√2
16
3√2
9√2
6
6√2
12
12√2
24
21√2