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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:120JJ4of4 GHM

Order: 18

Horizontal side: 120 Vertical side: 120

Elements: 1√2, 2, 2√2, 4, 3√2, 6, 10√2, 13√2, 20, 17√2, 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 61 86 60 45 86 56 174 103 43 306 90 30 25 86 54 24 88 54 36 87 53 132 103 43 14 87 53 503 90 0 405 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
6
4
17√2
30√2
2
2√2
3√2
13√2
1√2
50
40
40√2
30