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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:68AU GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 6√2, 8√2, 12, 11√2, 16, 12√2, 22, 23, 28, 20√2, 23√2, 45, 34√2.

Code: 455 0 23 344 34 34 283 68 40 66 34 34 127 40 40 86 44 32 167 52 40 206 48 20 46 40 28 85 44 24 14 45 23 126 34 12 27 46 24 26 46 22 47 48 24 237 0 23 230 23 23 114 34 12 225 46 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)

45
34√2
28
6√2
12
8√2
16
20√2
4√2
8
1√2
12√2
2
2√2
4
23
23√2
11√2
22