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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AU GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 8√2, 12√2, 24, 18√2, 30, 24√2, 36, 26√2, 27√2, 41, 48, 34√2, 41√2, 68, 75, 75√2, 109, 143, 109√2.

Code: 1435 0 75 1094 109 109 1093 218 109 344 143 75 266 151 83 412 218 68 411 218 109 80 151 83 757 0 75 750 75 75 481 123 75 242 147 51 361 159 75 182 177 57 683 218 0 303 177 27 243 147 27 122 159 39 274 150 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)

143
109√2
109
34√2
26√2
41√2
41
8√2
75
75√2
48
24√2
36
18√2
68
30
24
12√2
27√2