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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AH GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 1, 1√2, 2, 3, 3√2, 5√2, 8, 8√2, 13, 11√2, 16, 13√2, 19, 22, 16√2, 24, 21√2, 32, 24√2.

Code: 327 0 56 216 11 35 162 48 40 161 48 56 82 56 48 81 56 56 246 32 24 116 0 24 225 11 13 245 0 0 52 37 19 36 34 16 195 37 0 23 34 14 35 34 13 14 33 13 13 34 13 134 24 0 133 37 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)

32
21√2
16√2
16
8√2
8
24√2
11√2
22
24
5√2
3√2
19
2
3
1√2
1
13√2
13