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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AI GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 2, 2√2, 4, 3√2, 4√2, 6, 5√2, 8, 6√2, 7√2, 10, 12, 9√2, 14, 10√2, 12√2, 18, 20, 26.

Code: 267 0 38 183 26 20 127 26 38 126 26 26 52 31 21 70 31 21 83 8 12 107 8 20 106 8 10 205 18 0 44 22 16 43 26 16 24 24 14 141 38 14 62 6 6 61 6 12 32 9 9 21 8 12 90 9 9

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)

26
18
12
12√2
5√2
7√2
8
10
10√2
20
4√2
4
2√2
14
6√2
6
3√2
2
9√2