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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144BF GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 4, 4√2, 8, 9, 8√2, 13, 10√2, 11√2, 20, 22, 18√2, 22√2, 44, 50, 61, 72, 83, 61√2, 72√2.

Code: 835 0 61 724 72 72 723 144 72 114 83 61 203 94 52 102 104 62 501 144 72 180 104 62 617 0 61 610 61 61 131 74 61 97 74 61 47 74 52 46 74 48 85 78 44 84 86 44 441 122 44 222 144 22 223 144 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)

83
72√2
72
11√2
20
10√2
50
18√2
61
61√2
13
9
4
4√2
8
8√2
44
22√2
22