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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:218AQ GHM

Order: 19

Horizontal side: 218 Vertical side: 218

Elements: 10, 16, 18, 16√2, 18√2, 28, 32, 28√2, 43, 33√2, 48, 34√2, 43√2, 66, 76, 76√2, 109, 142, 109√2.

Code: 1425 0 76 1094 109 109 1093 218 109 334 142 76 430 175 109 431 218 109 767 0 76 760 76 76 284 104 48 283 132 48 107 132 76 187 132 66 180 150 66 344 184 32 663 218 0 481 152 48 167 152 48 160 168 48 327 152 32

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)

142
109√2
109
33√2
43√2
43
76
76√2
28√2
28
10
18
18√2
34√2
66
48
16
16√2
32