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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:68AA GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 4, 4√2, 8, 12, 14, 16, 12√2, 14√2, 20, 22, 16√2, 24, 28, 30, 22√2, 32, 23√2, 24√2.

Code: 242 24 44 234 23 45 220 46 68 221 68 68 16 23 45 147 24 46 140 38 46 301 68 46 243 24 20 287 24 32 323 52 0 162 68 16 205 0 0 124 12 8 123 24 8 163 68 0 81 20 8 42 24 4 41 24 8

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)

24√2
23√2
22√2
22
1√2
14
14√2
30
24
28
32
16√2
20
12√2
12
16
8
4√2
4