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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:144AR1of4 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 40 94 72 501 144 72 126 78 56 87 90 68 80 98 68 617 0 61 610 61 61 171 78 61 57 78 61 167 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
4√2
50
12√2
8
8√2
61
61√2
17
5
16
16√2
12
44
22√2
22