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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:126AI GHM

Order: 19

Horizontal side: 126 Vertical side: 126

Elements: 1√2, 4, 4√2, 6, 5√2, 8, 6√2, 7√2, 14, 14√2, 18√2, 32, 36, 36√2, 54, 58, 72, 54√2, 63√2.

Code: 725 0 54 634 63 63 583 126 68 56 63 63 65 68 62 64 74 62 76 73 61 147 80 68 140 94 68 321 126 68 47 68 62 46 68 58 85 72 54 14 73 61 545 0 0 544 54 0 180 108 54 360 90 36 361 126 36

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)

72
63√2
58
5√2
6
6√2
7√2
14
14√2
32
4
4√2
8
1√2
54
54√2
18√2
36√2
36