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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:208AM GHM

Order: 19

Horizontal side: 208 Vertical side: 208

Elements: 9, 9√2, 18, 14√2, 21, 18√2, 28, 21√2, 27√2, 28√2, 42, 48, 56, 62, 83, 104, 83√2, 125, 104√2.

Code: 1255 0 83 1044 104 104 1043 208 104 214 125 83 213 146 83 485 146 56 621 208 104 837 0 83 830 83 83 274 110 56 90 137 83 91 146 83 180 128 74 181 146 74 561 166 56 282 194 28 281 194 56 142 208 42 423 208 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)

125
104√2
104
21√2
21
48
62
83
83√2
27√2
9√2
9
18√2
18
56
28√2
28
14√2
42