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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:38AH GHM

Order: 19

Horizontal side: 38 Vertical side: 38

Elements: 1√2, 2, 2√2, 3, 4, 3√2, 4√2, 6, 5√2, 9, 10, 12, 9√2, 10√2, 12√2, 18, 13√2, 20, 26.

Code: 267 0 38 183 26 20 122 38 26 121 38 38 136 25 13 56 3 15 107 8 20 106 8 10 205 18 0 44 22 16 43 26 16 24 24 14 23 26 14 36 0 12 65 3 9 14 25 13 35 0 9 97 0 9 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√2
12
13√2
5√2
10
10√2
20
4√2
4
2√2
2
3√2
6
1√2
3
9
9√2