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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:206AL GHM

Order: 19

Horizontal side: 206 Vertical side: 206

Elements: 2, 5, 5√2, 10, 15, 18, 20, 17√2, 18√2, 34, 25√2, 34√2, 68, 69, 86, 103, 120, 86√2, 103√2.

Code: 1205 0 86 1034 103 103 1033 206 103 174 120 86 153 137 88 105 137 93 691 206 103 55 137 88 54 142 88 250 147 93 23 122 86 207 122 88 867 0 86 860 86 86 184 104 68 183 122 68 681 172 68 342 206 34 343 206 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)

120
103√2
103
17√2
15
10
69
5
5√2
25√2
2
20
86
86√2
18√2
18
68
34√2
34