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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:128AD GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 2, 2√2, 12, 11√2, 12√2, 18, 13√2, 14√2, 22, 24, 18√2, 24√2, 52, 38√2, 40√2, 52√2, 76, 64√2.

Code: 765 0 52 644 64 64 406 88 88 243 88 64 182 106 70 183 106 52 225 106 48 124 76 52 123 88 52 525 0 0 524 52 0 146 90 38 27 104 52 26 104 50 132 117 37 114 117 37 246 104 24 380 90 38

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)

76
64√2
40√2
24
18√2
18
22
12√2
12
52
52√2
14√2
2
2√2
13√2
11√2
24√2
38√2