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Primitive Perfect Isosceles Right Triangled Square

Title: __ 16:31AA GHM

Order: 16

Horizontal side: 31 Vertical side: 31

Elements: 1√2, 2, 2√2, 3, 3√2, 6, 7, 6√2, 9, 7√2, 11, 12, 9√2, 11√2, 14√2, 22.

Code: 227 0 31 90 22 31 91 31 31 70 13 22 71 20 22 117 20 22 116 20 11 66 0 9 127 6 15 16 17 14 27 18 15 26 18 13 140 17 14 65 0 3 35 0 0 34 3 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)

22
9√2
9
7√2
7
11
11√2
6√2
12
1√2
2
2√2
14√2
6
3
3√2