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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:123AG GHM

Order: 19

Horizontal side: 123 Vertical side: 123

Elements: 15, 20, 23, 17√2, 20√2, 29, 22√2, 23√2, 34, 37, 27√2, 40, 44, 46, 49, 37√2, 54, 40√2, 63.

Code: 637 0 123 400 63 123 401 103 123 202 123 103 201 123 123 543 123 49 236 0 60 467 23 83 176 52 66 347 69 83 293 52 37 445 52 22 235 0 37 274 96 22 493 123 0 377 0 37 370 37 37 151 52 37 224 74 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)

63
40√2
40
20√2
20
54
23√2
46
17√2
34
29
44
23
27√2
49
37
37√2
15
22√2