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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:123AC GHM

Order: 19

Horizontal side: 123 Vertical side: 123

Elements: 1√2, 5, 15, 17, 22, 27, 30, 31, 22√2, 32, 33, 30√2, 31√2, 44, 33√2, 60, 62, 45√2, 46√2.

Code: 462 46 77 454 45 78 443 90 79 332 123 90 331 123 123 603 123 30 16 45 78 175 46 62 224 68 57 223 90 57 153 46 62 316 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)

46√2
45√2
44
33√2
33
60
1√2
17
22√2
22
15
31√2
62
32
5
27
31
30√2
30