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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:316AJ GHM

Order: 19

Horizontal side: 316 Vertical side: 316

Elements: 20, 22, 18√2, 21√2, 36, 42, 36√2, 54, 42√2, 43√2, 72, 52√2, 86, 104, 106, 106√2, 158, 210, 158√2.

Code: 2105 0 106 1584 158 158 1583 316 158 524 210 106 723 262 86 362 298 122 541 316 158 363 298 86 182 316 104 1067 0 106 1060 106 106 424 148 64 423 190 64 207 190 106 1043 316 0 227 190 86 436 169 43 867 212 86 214 169 43

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)

210
158√2
158
52√2
72
36√2
54
36
18√2
106
106√2
42√2
42
20
104
22
43√2
86
21√2