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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dp 18:130JF1of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 7, 13√2, 20, 15√2, 25, 26, 20√2, 30, 33, 25√2, 26√2, 40, 30√2, 52, 39√2, 45√2, 65, 65√2.

Code: 655 0 65 654 65 65 396 91 91 130 91 91 333 78 45 267 78 78 260 104 78 257 0 65 256 0 40 205 25 45 204 45 45 75 78 45 521 130 52 305 25 15 304 55 15 450 85 45 405 0 0 154 40 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)

65
65√2
39√2
13√2
33
26
26√2
25
25√2
20
20√2
7
52
30
30√2
45√2
40
15√2