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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:104BC GHM

Order: 19

Horizontal side: 104 Vertical side: 104

Elements: 4, 4√2, 6, 8, 10, 8√2, 9√2, 10√2, 18, 20, 15√2, 18√2, 20√2, 32, 42, 52, 42√2, 62, 52√2.

Code: 625 0 42 524 52 52 523 104 52 104 62 42 103 72 42 82 80 44 321 104 52 83 80 36 42 84 40 427 0 42 420 42 42 154 57 27 63 72 36 43 84 36 202 104 20 96 57 27 187 66 36 186 66 18 203 104 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)

62
52√2
52
10√2
10
8√2
32
8
4√2
42
42√2
15√2
6
4
20√2
9√2
18
18√2
20