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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AQ GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 2, 2√2, 12, 10√2, 16, 12√2, 18, 16√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 195 195 390 195 195 441 200 156 162 216 140 341 234 156 782 312 78 163 216 124 185 216 122 127 200 124 120 212 124 24 214 122 23 216 122 104 224 112 1223 234 0 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
16√2
34
78√2
16
18
12
12√2
2√2
2
10√2
122
112
112√2
78