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Derivative UltraPerfect Isosceles Right Triangled Square

Title: __p 18:60JA4of4 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 64 46 24 63 52 24 45 52 26 44 56 26 156 45 15 25 52 24 24 54 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
6√2
6
4
4√2
15√2
2
2√2
25
1
9
20
20√2
15