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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:70BD GHM

Order: 19

Horizontal side: 70 Vertical side: 70

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 8√2, 14, 12√2, 18, 14√2, 22, 17√2, 26, 28, 22√2, 26√2, 28√2, 44.

Code: 445 0 26 284 28 42 283 56 42 142 70 56 141 70 70 176 53 39 124 40 30 86 44 34 25 52 40 24 54 40 185 52 22 14 53 39 46 40 30 85 44 26 265 0 0 264 26 0 43 52 22 220 48 22 221 70 22

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)

44
28√2
28
14√2
14
17√2
12√2
8√2
2
2√2
18
1√2
4√2
8
26
26√2
4
22√2
22