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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:67AA GHM

Order: 19

Horizontal side: 67 Vertical side: 67

Elements: 4√2, 6, 6√2, 9, 9√2, 13, 14, 10√2, 18, 13√2, 14√2, 16√2, 18√2, 26, 27, 31, 22√2, 32, 27√2.

Code: 317 0 67 220 31 67 184 49 49 146 53 53 46 49 49 145 53 39 96 0 36 185 9 27 321 41 45 162 57 29 64 47 39 63 53 39 104 57 29 263 67 13 95 0 27 277 0 27 270 27 27 134 54 0 133 67 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)

31
22√2
18√2
14√2
4√2
14
9√2
18
32
16√2
6√2
6
10√2
26
9
27
27√2
13√2
13