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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:214BQ GHM

Order: 19

Horizontal side: 214 Vertical side: 214

Elements: 5√2, 6√2, 12, 12√2, 18, 18√2, 21√2, 36, 43, 32√2, 37√2, 54, 43√2, 64, 75, 75√2, 107, 139, 107√2.

Code: 1395 0 75 1074 107 107 1073 214 107 324 139 75 376 134 70 432 214 64 431 214 107 757 0 75 750 75 75 541 129 75 365 129 39 54 134 70 643 214 0 185 129 21 184 147 21 60 165 39 120 159 33 121 171 33 214 150 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)

139
107√2
107
32√2
37√2
43√2
43
75
75√2
54
36
5√2
64
18
18√2
6√2
12√2
12
21√2