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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:68AF GHM

Order: 18

Horizontal side: 68 Vertical side: 68

Elements: 3, 4, 3√2, 6, 5√2, 9, 10, 9√2, 14, 10√2, 14√2, 20, 15√2, 20√2, 30, 38, 29√2, 34√2.

Code: 387 0 68 200 38 68 201 58 68 102 68 58 101 68 68 296 39 29 30 18 48 31 21 48 97 21 48 96 21 39 145 30 34 144 44 34 150 15 45 61 21 45 47 30 34 340 34 34 54 39 29 307 0 30

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)

38
20√2
20
10√2
10
29√2
3√2
3
9
9√2
14
14√2
15√2
6
4
34√2
5√2
30