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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214BI1of2 GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 3√2, 14, 11√2, 22, 20√2, 22√2, 27√2, 40, 30√2, 44, 33√2, 47, 40√2, 60, 77, 107, 77√2, 137, 107√2.

Code: 1375 0 77 1074 107 107 1073 214 107 304 137 77 270 167 107 471 214 107 30 140 80 141 154 80 402 194 40 401 194 80 202 214 60 777 0 77 770 77 77 334 110 44 110 143 77 220 132 66 221 154 66 603 214 0 441 154 44

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)

137
107√2
107
30√2
27√2
47
3√2
14
40√2
40
20√2
77
77√2
33√2
11√2
22√2
22
60
44