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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:106AN GHM

Order: 18

Horizontal side: 106 Vertical side: 106

Elements: 3√2, 5√2, 10, 13, 14, 10√2, 14√2, 20, 23, 25, 18√2, 28, 21√2, 39, 53, 39√2, 67, 53√2.

Code: 675 0 39 534 53 53 533 106 53 144 67 39 143 81 39 205 81 33 251 106 53 397 0 39 390 39 39 214 60 18 36 78 36 186 60 18 135 78 23 104 91 23 103 101 23 52 106 28 283 106 0 237 78 23

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)

67
53√2
53
14√2
14
20
25
39
39√2
21√2
3√2
18√2
13
10√2
10
5√2
28
23