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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:70AU GHM

Order: 19

Horizontal side: 70 Vertical side: 70

Elements: 1, 1√2, 2, 3, 4, 5√2, 7√2, 10, 14, 10√2, 14√2, 20, 20√2, 21√2, 32, 33, 37, 28√2, 40.

Code: 405 0 30 371 37 70 337 37 70 286 42 42 56 37 37 212 63 21 45 37 33 31 40 33 17 40 33 10 41 33 27 40 32 323 42 0 205 0 10 204 20 10 70 63 21 140 56 14 141 70 14 105 0 0 104 10 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)

40
37
33
28√2
5√2
21√2
4
3
1
1√2
2
32
20
20√2
7√2
14√2
14
10
10√2