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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AT GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 5√2, 10, 10√2, 11√2, 20, 28, 20√2, 28√2, 31√2, 50, 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 83 505 167 61 551 222 111 837 0 83 830 83 83 424 125 41 116 156 72 310 156 72 204 187 41 203 207 41 102 217 51 101 217 61 52 222 56 563 222 0 414 166 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
50
55
83
83√2
42√2
11√2
31√2
20√2
20
10√2
10
5√2
56
41√2