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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:48AG GHM

Order: 19

Horizontal side: 48 Vertical side: 48

Elements: 1, 1√2, 3, 3√2, 6, 8, 9, 10, 11, 12, 9√2, 13, 11√2, 12√2, 17, 23, 24, 25, 24√2.

Code: 255 0 23 244 24 24 243 48 24 14 25 23 96 17 15 115 26 13 114 37 13 126 36 12 235 0 0 171 17 23 87 17 23 95 17 6 107 26 13 133 36 0 17 36 13 125 36 0 61 23 6 32 26 3 31 26 6

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)

25
24√2
24
1√2
9√2
11
11√2
12√2
23
17
8
9
10
13
1
12
6
3√2
3