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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:312AJ GHM

Order: 19

Horizontal side: 312 Vertical side: 312

Elements: 6, 6√2, 12, 18, 18√2, 32, 42, 32√2, 37√2, 64, 48√2, 55√2, 64√2, 92, 124, 156, 124√2, 188, 156√2.

Code: 1885 0 124 1564 156 156 1563 312 156 324 188 124 323 220 124 372 257 119 921 312 156 1247 0 124 1240 124 124 484 172 76 423 220 82 550 257 119 60 178 82 61 184 82 185 184 64 184 202 64 121 184 76 644 248 0 643 312 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)

188
156√2
156
32√2
32
37√2
92
124
124√2
48√2
42
55√2
6√2
6
18
18√2
12
64√2
64