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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AY GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 4, 4√2, 8, 6√2, 12, 12√2, 18, 28, 23√2, 46, 55√2, 78, 110, 78√2, 124, 110√2, 156, 202, 156√2.

Code: 2025 0 110 1564 156 156 1563 312 156 461 202 156 285 202 128 554 257 101 786 234 78 185 202 110 124 214 116 123 226 116 47 226 128 40 230 128 87 226 124 1243 234 0 232 257 101 64 220 110 1105 0 0 1104 110 0 785 234 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
156
46
28
55√2
78√2
18
12√2
12
4
4√2
8
124
23√2
6√2
110
110√2
78