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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:138AS GHM

Order: 19

Horizontal side: 138 Vertical side: 138

Elements: 6, 6√2, 9, 12, 9√2, 12√2, 17, 13√2, 17√2, 18√2, 22√2, 34, 35, 34√2, 52, 69, 52√2, 86, 69√2.

Code: 865 0 52 694 69 69 693 138 69 174 86 52 173 103 52 132 116 56 351 138 69 220 116 56 527 0 52 520 52 52 184 70 34 60 88 52 61 94 52 92 103 43 91 103 52 120 82 46 121 94 46 344 104 0 343 138 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)

86
69√2
69
17√2
17
13√2
35
22√2
52
52√2
18√2
6√2
6
9√2
9
12√2
12
34√2
34