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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AF GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 2, 2√2, 12√2, 24, 18√2, 19√2, 21√2, 24√2, 36, 42, 30√2, 46, 42√2, 67, 88, 109, 88√2, 130, 109√2.

Code: 1305 0 88 1094 109 109 1093 218 109 214 130 88 190 151 109 671 218 109 20 132 90 21 134 90 242 158 66 361 170 90 182 188 72 887 0 88 880 88 88 461 134 88 300 188 72 243 158 42 122 170 54 424 176 0 423 218 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)

130
109√2
109
21√2
19√2
67
2√2
2
24√2
36
18√2
88
88√2
46
30√2
24
12√2
42√2
42