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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:196AU GHM

Order: 19

Horizontal side: 196 Vertical side: 196

Elements: 2, 2√2, 4, 4√2, 6√2, 7√2, 14, 13√2, 20, 34, 27√2, 34√2, 54, 74, 54√2, 88, 81√2, 88√2, 142.

Code: 1427 0 196 340 142 196 341 176 196 132 189 183 201 196 196 70 189 183 66 176 170 147 182 176 886 108 88 42 180 166 43 180 162 22 182 164 23 182 162 816 27 81 747 108 162 885 108 0 270 27 81 547 0 54 540 54 54

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
34√2
34
13√2
20
7√2
6√2
14
88√2
4√2
4
2√2
2
81√2
74
88
27√2
54
54√2