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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:165AC GHM

Order: 19

Horizontal side: 165 Vertical side: 165

Elements: 20, 24, 20√2, 30, 24√2, 39, 40, 41, 42, 30√2, 54, 39√2, 41√2, 42√2, 61, 63, 82, 84, 63√2.

Code: 635 0 102 634 63 102 390 126 165 391 165 165 240 87 126 241 111 126 547 111 126 843 165 42 617 0 102 200 61 102 201 81 102 302 111 72 301 111 102 416 0 41 825 41 0 401 81 82 424 123 0 423 165 0 415 0 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
63√2
39√2
39
24√2
24
54
84
61
20√2
20
30√2
30
41√2
82
40
42√2
42
41