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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:206AE GHM

Order: 18

Horizontal side: 206 Vertical side: 206

Elements: 12√2, 15√2, 24, 18√2, 30, 24√2, 34, 35, 36, 34√2, 35√2, 54, 68, 69, 69√2, 103, 137, 103√2.

Code: 1375 0 69 1034 103 103 1033 206 103 344 137 69 343 171 69 352 206 68 351 206 103 697 0 69 690 69 69 541 123 69 245 123 45 244 147 45 363 171 33 683 206 0 305 123 15 124 135 33 184 153 15 154 138 0

The properties below may precede order:side in a tiling's title:

Credit for Discovery

Just three people are credited with the discovery of Primitive Perfects:

Geoffrey H. Morley (GHM, England)

Jasper D. Skinner, II (JDS, United States)

William T. Tutte (WTT, Canada, 1917-2002) (15:44AI, 17:136AJ and 19:56AJ only)

137
103√2
103
34√2
34
35√2
35
69
69√2
54
24
24√2
36
68
30
12√2
18√2
15√2