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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:68AF GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 4, 4√2, 5√2, 8, 6√2, 10, 8√2, 9√2, 10√2, 12√2, 18, 20, 28, 20√2, 29, 24√2, 39, 34√2.

Code: 395 0 29 344 34 34 283 68 40 66 34 34 47 40 40 40 44 40 124 56 28 206 48 20 87 40 36 80 48 36 297 0 29 56 24 24 107 29 29 10 39 29 96 29 19 187 38 28 240 24 24 106 38 10 205 48 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)

39
34√2
28
6√2
4
4√2
12√2
20√2
8
8√2
29
5√2
10
1√2
9√2
18
24√2
10√2
20