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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:216BC GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 1√2, 4√2, 6, 5√2, 8, 6√2, 12, 18, 26√2, 35√2, 52, 56, 47√2, 52√2, 82, 108, 82√2, 134, 108√2.

Code: 1345 0 82 1084 108 108 1083 216 108 264 134 82 83 160 100 42 164 104 561 216 108 56 159 99 522 216 52 183 152 82 67 152 100 60 158 100 14 159 99 127 152 94 476 117 47 827 0 82 820 82 82 354 117 47 523 216 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)

134
108√2
108
26√2
8
4√2
56
5√2
52√2
18
6
6√2
1√2
12
47√2
82
82√2
35√2
52