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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AT GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 9√2, 11√2, 12√2, 18, 24, 18√2, 23√2, 24√2, 36, 41, 34√2, 41√2, 66, 68, 75, 75√2, 109, 143, 109√2.

Code: 1435 0 75 1094 109 109 1093 218 109 344 143 75 236 154 86 412 218 68 411 218 109 110 154 86 757 0 75 750 75 75 661 141 75 242 165 51 241 165 75 122 177 63 683 218 0 363 177 27 185 141 9 184 159 9 94 150 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
23√2
41√2
41
11√2
75
75√2
66
24√2
24
12√2
68
36
18
18√2
9√2