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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:77AB GHM

Order: 19

Horizontal side: 77 Vertical side: 77

Elements: 1√2, 2, 2√2, 4, 4√2, 7√2, 11, 11√2, 18, 15√2, 22, 18√2, 26, 30, 22√2, 33, 29√2, 44, 33√2.

Code: 447 0 77 296 15 48 222 66 55 221 66 77 112 77 66 111 77 77 336 44 33 156 0 33 305 15 18 335 0 0 72 51 26 46 47 22 265 51 0 26 45 20 45 47 18 16 44 19 25 45 18 184 33 0 183 51 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)

44
29√2
22√2
22
11√2
11
33√2
15√2
30
33
7√2
4√2
26
2√2
4
1√2
2
18√2
18