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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:57AC4of4 GHM

Order: 19

Horizontal side: 57 Vertical side: 57

Elements: 4, 3√2, 4√2, 6, 5√2, 8, 6√2, 12, 13, 12√2, 18, 13√2, 15√2, 24, 18√2, 26, 27, 30, 22√2.

Code: 305 0 27 224 22 35 130 44 57 131 57 57 66 25 38 85 31 36 261 57 44 36 22 35 65 25 32 45 31 32 44 35 32 243 39 12 182 57 18 54 30 27 275 0 0 154 15 12 183 57 0 124 27 0 123 39 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)

30
22√2
13√2
13
6√2
8
26
3√2
6
4
4√2
24
18√2
5√2
27
15√2
18
12√2
12