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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:48AH GHM

Order: 19

Horizontal side: 48 Vertical side: 48

Elements: 1√2, 3, 3√2, 6, 7, 5√2, 6√2, 9, 10, 11, 12, 9√2, 16, 12√2, 13√2, 23, 24, 25, 24√2.

Code: 257 0 48 163 25 32 237 25 48 246 24 24 90 9 32 91 18 32 65 18 26 71 25 32 35 18 23 34 21 23 136 11 13 12 25 25 245 24 0 117 0 23 56 6 18 107 11 23 60 6 18 127 0 12 120 12 12

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
16
23
24√2
9√2
9
6
7
3
3√2
13√2
1√2
24
11
5√2
10
6√2
12
12√2