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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:47AD GHM

Order: 19

Horizontal side: 47 Vertical side: 47

Elements: 1√2, 2√2, 6, 7, 5√2, 6√2, 7√2, 10, 8√2, 12, 14, 10√2, 11√2, 12√2, 14√2, 20, 22, 27, 20√2.

Code: 277 0 47 223 27 25 207 27 47 206 27 27 12 28 26 120 28 26 50 5 25 114 16 14 102 10 10 101 10 20 65 10 14 22 12 12 84 18 6 140 26 14 141 40 14 72 47 7 123 12 0 62 18 6 73 47 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)

27
22
20
20√2
1√2
12√2
5√2
11√2
10√2
10
6
2√2
8√2
14√2
14
7√2
12
6√2
7