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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222BD GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 4√2, 8, 6√2, 8√2, 12, 16, 24, 43, 31√2, 34√2, 37√2, 62, 46√2, 68, 77, 77√2, 111, 145, 111√2.

Code: 1455 0 77 1114 111 111 1113 222 111 344 145 77 60 179 111 431 222 111 40 173 105 121 185 105 372 222 68 243 169 77 87 169 101 80 177 101 167 169 93 623 185 31 777 0 77 770 77 77 464 123 31 683 222 0 314 154 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
6√2
43
4√2
12
37√2
24
8
8√2
16
62
77
77√2
46√2
68
31√2