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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:126JJ2of8 GHM

Order: 18

Horizontal side: 126 Vertical side: 126

Elements: 7, 7√2, 9√2, 14, 18, 14√2, 21, 18√2, 28, 36, 28√2, 42, 36√2, 54, 56, 42√2, 49√2, 84.

Code: 845 0 42 364 36 90 363 72 90 547 72 126 496 77 77 184 54 72 183 72 72 143 77 63 72 84 70 94 63 63 73 84 63 142 98 56 211 84 63 563 98 0 282 126 28 425 0 0 424 42 0 283 126 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

84
36√2
36
54
49√2
18√2
18
14
7√2
9√2
7
14√2
21
56
28√2
42
42√2
28