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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:140AT GHM

Order: 19

Horizontal side: 140 Vertical side: 140

Elements: 2, 2√2, 4, 3√2, 4√2, 8, 11√2, 21, 15√2, 22, 23, 22√2, 44, 48, 59, 70, 81, 59√2, 70√2.

Code: 815 0 59 704 70 70 703 140 70 114 81 59 30 92 70 481 140 70 83 89 59 42 93 63 41 93 67 22 95 65 21 95 67 235 95 44 213 95 44 597 0 59 590 59 59 154 74 44 441 118 44 222 140 22 223 140 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)

81
70√2
70
11√2
3√2
48
8
4√2
4
2√2
2
23
21
59
59√2
15√2
44
22√2
22