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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _rt 18:128JJ7of8 GHM

Order: 18

Horizontal side: 128 Vertical side: 128

Elements: 3√2, 6, 6√2, 8√2, 12, 9√2, 16, 18, 16√2, 18√2, 30, 32, 32√2, 40√2, 64, 48√2, 80, 64√2.

Code: 805 0 48 644 64 64 643 128 64 164 80 48 163 96 48 327 96 64 326 96 32 305 0 18 484 48 0 86 88 40 400 88 40 92 9 9 121 12 18 187 12 18 180 30 18 30 9 9 60 6 6 61 12 6

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
64√2
64
16√2
16
32
32√2
30
48√2
8√2
40√2
9√2
12
18
18√2
3√2
6√2
6