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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AR GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 2, 8, 6√2, 10, 8√2, 12, 16, 22√2, 34, 44, 39√2, 78, 78√2, 112, 122, 112√2, 117√2, 200, 156√2.

Code: 2005 0 112 1564 156 156 1176 195 195 390 195 195 441 200 156 222 222 134 341 234 156 782 312 78 66 216 128 125 222 122 163 216 112 82 224 120 21 224 122 107 224 122 1223 234 0 83 224 112 1125 0 0 1124 112 0 783 312 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)

200
156√2
117√2
39√2
44
22√2
34
78√2
6√2
12
16
8√2
2
10
122
8
112
112√2
78