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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:136CI GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 2√2, 4, 4√2, 8, 8√2, 15, 16, 22, 16√2, 31, 22√2, 23√2, 44, 45, 46, 45√2, 68, 91, 68√2.

Code: 915 0 45 684 68 68 683 136 68 234 91 45 220 114 68 221 136 68 166 76 30 447 92 46 463 136 0 457 0 45 450 45 45 311 76 45 157 76 45 165 76 14 84 84 6 83 92 6 44 88 2 43 92 2 24 90 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)

91
68√2
68
23√2
22√2
22
16√2
44
46
45
45√2
31
15
16
8√2
8
4√2
4
2√2