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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:99AF GHM

Order: 18

Horizontal side: 99 Vertical side: 99

Elements: 1, 1√2, 2, 3, 7, 7√2, 14, 21, 18√2, 28, 31, 32, 33, 35, 32√2, 33√2, 66, 67.

Code: 675 0 32 661 66 99 332 99 66 331 99 99 313 99 35 23 68 33 37 68 35 213 71 14 287 71 35 353 99 0 14 67 32 13 68 32 327 0 32 320 32 32 184 50 14 141 64 14 72 71 7 71 71 14

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
66
33√2
33
31
2
3
21
28
35
1√2
1
32
32√2
18√2
14
7√2
7