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Derivative UltraPerfect Isosceles Right Triangled Square

Title: _et 18:147JB2of2 GHM

Order: 18

Horizontal side: 147 Vertical side: 147

Elements: 9√2, 18, 18√2, 28, 21√2, 35, 36, 28√2, 42, 35√2, 36√2, 54, 56, 42√2, 63, 49√2, 70, 56√2.

Code: 637 0 147 543 63 93 287 63 147 286 63 119 567 91 147 566 91 91 492 112 70 96 0 84 187 9 93 186 9 75 367 27 93 366 27 57 422 42 42 703 112 0 352 147 35 423 42 0 212 63 21 353 147 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)

63
54
28
28√2
56
56√2
49√2
9√2
18
18√2
36
36√2
42√2
70
35√2
42
21√2
35