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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:60JA1of4 GHM

Order: 18

Horizontal side: 60 Vertical side: 60

Elements: 1, 2, 2√2, 4, 4√2, 6, 5√2, 6√2, 9, 10, 15, 20, 15√2, 25, 20√2, 30, 40, 30√2.

Code: 405 0 20 304 30 30 303 60 30 101 40 30 52 45 25 44 44 26 43 48 26 65 48 24 64 54 24 156 45 15 24 46 24 23 48 24 253 45 0 15 45 24 97 45 24 205 0 0 204 20 0 155 45 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)

40
30√2
30
10
5√2
4√2
4
6
6√2
15√2
2√2
2
25
1
9
20
20√2
15