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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:142AU GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 1, 1√2, 6√2, 7√2, 11, 14, 11√2, 16, 14√2, 22, 16√2, 22√2, 44, 49, 60, 71, 82, 60√2, 71√2.

Code: 825 0 60 714 71 71 713 142 71 114 82 60 113 93 60 62 99 65 491 142 71 70 99 65 607 0 60 600 60 60 164 76 44 163 92 44 12 93 59 11 93 60 147 92 58 140 106 58 441 120 44 222 142 22 223 142 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)

82
71√2
71
11√2
11
6√2
49
7√2
60
60√2
16√2
16
1√2
1
14
14√2
44
22√2
22