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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:204AK GHM

Order: 18

Horizontal side: 204 Vertical side: 204

Elements: 1√2, 2, 10, 10√2, 20, 20√2, 32, 30√2, 33√2, 36√2, 66, 68, 69, 70, 68√2, 69√2, 135, 136.

Code: 1365 0 68 1351 135 204 697 135 204 696 135 135 332 168 102 323 168 70 362 204 66 16 135 69 27 136 70 703 138 0 107 138 70 106 138 60 207 148 70 206 148 50 685 0 0 684 68 0 663 204 0 302 168 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)

136
135
69
69√2
33√2
32
36√2
1√2
2
70
10
10√2
20
20√2
68
68√2
66
30√2