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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:144AY GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 2, 8, 6√2, 10, 11, 8√2, 12, 10√2, 11√2, 22, 28, 33, 44, 50, 61, 72, 83, 61√2, 72√2.

Code: 835 0 61 724 72 72 723 144 72 114 83 61 113 94 61 445 94 28 501 144 72 617 0 61 610 61 61 331 94 61 281 122 28 85 122 20 84 130 20 60 138 28 23 132 20 127 132 22 223 144 0 102 132 10 101 132 20

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
11
44
50
61
61√2
33
28
8
8√2
6√2
2
12
22
10√2
10