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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:144AR2of4 GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 5, 4√2, 8, 8√2, 12, 11√2, 16, 12√2, 17, 22, 16√2, 22√2, 44, 50, 61, 72, 83, 61√2, 72√2.

Code: 835 0 61 724 72 72 723 144 72 114 83 61 120 94 72 501 144 72 617 0 61 610 61 61 171 78 61 57 78 61 46 78 56 87 82 60 86 82 52 167 90 60 160 106 60 125 78 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
12√2
50
61
61√2
17
5
4√2
8
8√2
16
16√2
12
44
22√2
22