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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218BC GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 12, 15, 12√2, 18, 15√2, 24, 18√2, 33, 34, 41, 34√2, 41√2, 68, 51√2, 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 75 514 126 24 333 177 42 683 218 0 180 144 42 181 162 42 152 177 27 151 177 42 241 150 24 122 162 12 121 162 24

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
51√2
33
68
18√2
18
15√2
15
24
12√2
12