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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:102BJ GHM

Order: 18

Horizontal side: 102 Vertical side: 102

Elements: 4, 4√2, 6, 8, 11, 12, 11√2, 16, 17, 23, 28, 20√2, 34, 40, 34√2, 51, 68, 51√2.

Code: 685 0 34 514 51 51 513 102 51 171 68 51 117 68 51 110 79 51 231 102 51 67 68 40 403 74 0 202 94 20 161 90 40 125 90 28 345 0 0 344 34 0 47 90 28 46 90 24 87 94 28 283 102 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)

68
51√2
51
17
11
11√2
23
6
40
20√2
16
12
34
34√2
4
4√2
8
28