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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222BE GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 8√2, 10√2, 16, 22, 16√2, 22√2, 32, 43, 44, 33√2, 34√2, 35√2, 44√2, 68, 77, 77√2, 111, 145, 111√2.

Code: 1455 0 77 1114 111 111 1113 222 111 344 145 77 80 179 111 431 222 111 160 171 103 161 187 103 352 222 68 100 155 87 321 187 87 777 0 77 770 77 77 444 121 33 443 165 33 222 187 55 683 222 0 223 187 33 334 154 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)

145
111√2
111
34√2
8√2
43
16√2
16
35√2
10√2
32
77
77√2
44√2
44
22√2
68
22
33√2