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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AD GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 6, 6√2, 7√2, 12, 14, 18, 14√2, 24, 21√2, 42, 30√2, 60, 67, 70, 88, 109, 88√2, 130, 109√2.

Code: 1305 0 88 1094 109 109 1093 218 109 214 130 88 70 151 109 671 218 109 140 144 102 141 158 102 605 158 42 887 0 88 880 88 88 701 158 88 245 158 18 304 188 12 423 218 0 181 176 18 67 176 18 60 182 18 127 176 12

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)

130
109√2
109
21√2
7√2
67
14√2
14
60
88
88√2
70
24
30√2
42
18
6
6√2
12