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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:56AG1of2 GHM

Order: 19

Horizontal side: 56 Vertical side: 56

Elements: 4, 4√2, 5√2, 8, 6√2, 10, 8√2, 9√2, 16, 12√2, 17, 18, 14√2, 20, 24, 18√2, 19√2, 27, 32.

Code: 327 0 56 126 20 44 247 32 56 196 37 37 146 6 30 175 20 27 56 32 32 105 37 27 60 6 30 277 20 27 90 47 27 47 0 24 46 0 20 87 4 24 80 12 24 205 0 0 180 38 18 181 56 18 161 20 16

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
12√2
24
19√2
14√2
17
5√2
10
6√2
27
9√2
4
4√2
8
8√2
20
18√2
18
16