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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:120JL3of4 GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 3√2, 6, 6√2, 12, 9√2, 10√2, 11√2, 18, 20, 30, 40, 30√2, 50, 40√2, 60, 80, 60√2.

Code: 805 0 40 604 60 60 603 120 60 201 80 60 102 90 50 114 91 49 123 102 48 62 108 54 94 111 51 306 90 30 63 108 48 32 111 51 503 90 0 12 91 49 187 90 48 405 0 0 404 40 0 305 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)

80
60√2
60
20
10√2
11√2
12
6√2
9√2
30√2
6
3√2
50
1√2
18
40
40√2
30