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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AQ GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 10√2, 20, 15√2, 16√2, 28, 20√2, 30, 26√2, 28√2, 40, 55, 56, 41√2, 42√2, 83, 111, 83√2, 139, 111√2.

Code: 1395 0 83 1114 111 111 1113 222 111 284 139 83 283 167 83 405 167 71 551 222 111 837 0 83 830 83 83 424 125 41 166 151 67 205 167 51 204 187 51 303 207 41 152 222 56 260 151 67 563 222 0 104 177 41 414 166 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
111√2
111
28√2
28
40
55
83
83√2
42√2
16√2
20
20√2
30
15√2
26√2
56
10√2
41√2