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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _dt 18:130LJ1of2 GHM

Order: 18

Horizontal side: 130 Vertical side: 130

Elements: 4, 4√2, 8, 12, 16, 12√2, 20, 15√2, 25, 30, 25√2, 40, 30√2, 45, 45√2, 65, 85, 65√2.

Code: 855 0 45 654 65 65 653 130 65 124 77 53 123 89 53 167 89 65 203 105 45 252 130 40 251 130 65 81 85 53 42 89 49 41 89 53 457 0 45 450 45 45 304 75 15 303 105 15 403 130 0 154 90 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)

85
65√2
65
12√2
12
16
20
25√2
25
8
4√2
4
45
45√2
30√2
30
40
15√2