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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:134AH GHM

Order: 18

Horizontal side: 134 Vertical side: 134

Elements: 8, 7√2, 8√2, 14, 16, 17, 14√2, 16√2, 25, 28, 32, 39, 28√2, 53, 67, 53√2, 81, 67√2.

Code: 815 0 53 674 67 67 673 134 67 144 81 53 143 95 53 72 102 60 391 134 67 166 86 44 325 102 28 537 0 53 530 53 53 251 78 53 177 78 53 86 78 36 165 86 28 85 78 28 284 106 0 283 134 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)

81
67√2
67
14√2
14
7√2
39
16√2
32
53
53√2
25
17
8√2
16
8
28√2
28