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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AT GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 4, 4√2, 8, 6√2, 12, 12√2, 18, 28, 32, 46, 39√2, 78, 110, 78√2, 124, 110√2, 117√2, 202, 156√2.

Code: 2025 0 110 1564 156 156 1176 195 195 390 195 195 461 202 156 285 202 128 321 234 156 782 312 78 185 202 110 124 214 116 123 226 116 47 226 128 40 230 128 87 226 124 1243 234 0 64 220 110 1105 0 0 1104 110 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)

202
156√2
117√2
39√2
46
28
32
78√2
18
12√2
12
4
4√2
8
124
6√2
110
110√2
78