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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AD GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 1, 3, 4, 3√2, 4√2, 8, 9, 7√2, 10, 11, 12, 9√2, 14, 10√2, 11√2, 12√2, 18, 14√2, 20.

Code: 185 0 20 114 11 27 40 22 38 41 26 38 127 26 38 126 26 26 76 11 27 205 18 14 81 26 34 102 10 10 94 9 11 93 18 11 35 18 11 34 21 11 140 24 14 141 38 14 11 10 11 117 10 11 103 10 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)

18
11√2
4√2
4
12
12√2
7√2
20
8
10√2
9√2
9
3
3√2
14√2
14
1
11
10