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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:54AU GHM

Order: 19

Horizontal side: 54 Vertical side: 54

Elements: 1, 2√2, 3, 4, 3√2, 6, 7, 9, 7√2, 8√2, 13, 14, 10√2, 17, 20, 17√2, 27, 37, 27√2.

Code: 375 0 17 274 27 27 273 54 27 104 37 17 143 47 13 72 54 20 71 54 27 203 54 0 177 0 17 170 17 17 84 25 9 26 31 15 47 33 17 63 31 9 32 34 12 11 34 13 137 34 13 33 34 9 91 34 9

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)

37
27√2
27
10√2
14
7√2
7
20
17
17√2
8√2
2√2
4
6
3√2
1
13
3
9