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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:40JA4of8 GHM

Order: 18

Horizontal side: 40 Vertical side: 40

Elements: 1, 1√2, 2, 2√2, 3, 3√2, 5, 7, 5√2, 6√2, 10, 9√2, 10√2, 15, 20, 15√2, 25, 20√2.

Code: 255 0 15 204 20 20 203 40 20 54 25 15 53 30 15 107 30 20 106 30 10 155 0 0 154 15 0 66 24 9 35 30 7 90 24 9 22 32 5 21 32 7 12 33 6 11 33 7 75 33 0 36 30 3

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)

25
20√2
20
5√2
5
10
10√2
15
15√2
6√2
3
9√2
2√2
2
1√2
1
7
3√2