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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:123AB GHM

Order: 19

Horizontal side: 123 Vertical side: 123

Elements: 1√2, 5, 22, 16√2, 27, 30, 31, 22√2, 32, 33, 30√2, 31√2, 44, 45, 33√2, 47, 60, 62, 45√2.

Code: 455 0 78 454 45 78 443 90 79 332 123 90 331 123 123 603 123 30 10 46 79 224 68 57 223 90 57 477 0 78 160 47 78 316 0 31 625 31 0 321 63 62 55 63 57 277 63 57 315 0 0 304 93 0 303 123 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)

45
45√2
44
33√2
33
60
1√2
22√2
22
47
16√2
31√2
62
32
5
27
31
30√2
30