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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:68AK GHM

Order: 18

Horizontal side: 68 Vertical side: 68

Elements: 2, 2√2, 3, 4, 6, 6√2, 12, 9√2, 15, 16, 12√2, 18, 16√2, 25, 34, 25√2, 43, 34√2.

Code: 435 0 25 344 34 34 343 68 34 94 43 25 126 40 22 162 68 18 161 68 34 257 0 25 250 25 25 151 40 25 37 40 25 125 40 10 183 68 0 64 46 4 63 52 4 41 50 4 22 52 2 21 52 4

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)

43
34√2
34
9√2
12√2
16√2
16
25
25√2
15
3
12
18
6√2
6
4
2√2
2