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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:228AX2of4 GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 4√2, 8, 8√2, 12, 9√2, 12√2, 18, 14√2, 24, 18√2, 28, 64, 82, 64√2, 100, 73√2, 82√2, 146, 114√2.

Code: 1465 0 82 1144 114 114 1003 228 128 146 114 114 127 128 128 126 128 116 247 140 128 283 164 100 647 164 128 646 164 64 82 136 108 83 136 100 42 140 104 184 146 82 183 164 82 825 0 0 824 82 0 96 155 73 730 155 73

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)

146
114√2
100
14√2
12
12√2
24
28
64
64√2
8√2
8
4√2
18√2
18
82
82√2
9√2
73√2