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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:312AZ GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 2√2, 4, 4√2, 6, 6√2, 12, 14√2, 32, 23√2, 46, 55, 55√2, 101, 110, 101√2, 110√2, 156, 202, 156√2.

Code: 2025 0 110 1564 156 156 1563 312 156 461 202 156 325 202 124 554 257 101 553 312 101 42 206 120 41 206 124 22 208 122 144 220 110 230 234 124 66 202 116 125 208 110 65 202 110 1105 0 0 1104 110 0 1010 211 101 1011 312 101

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
32
55√2
55
4√2
4
2√2
14√2
23√2
6√2
12
6
110
110√2
101√2
101