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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AZ GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 9√2, 15, 18, 24, 18√2, 24√2, 34, 36, 39, 41, 34√2, 39√2, 41√2, 68, 75, 75√2, 109, 143, 109√2.

Code: 1435 0 75 1094 109 109 1093 218 109 344 143 75 343 177 75 412 218 68 411 218 109 757 0 75 750 75 75 394 114 36 393 153 36 247 153 75 246 153 51 683 218 0 155 153 36 361 150 36 182 168 18 181 168 36 92 177 27

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
34
41√2
41
75
75√2
39√2
39
24
24√2
68
15
36
18√2
18
9√2