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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:68AX2of2 GHM

Order: 19

Horizontal side: 68 Vertical side: 68

Elements: 1√2, 2, 2√2, 4, 3√2, 9, 7√2, 10, 14, 10√2, 15, 12√2, 20, 22, 24, 22√2, 34, 46, 34√2.

Code: 465 0 22 344 34 34 343 68 34 124 46 22 203 58 14 102 68 24 101 68 34 243 68 0 227 0 22 220 22 22 151 37 22 97 37 22 16 37 13 27 38 14 26 38 12 47 40 14 76 37 7 147 44 14 32 40 10

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)

46
34√2
34
12√2
20
10√2
10
24
22
22√2
15
9
1√2
2
2√2
4
7√2
14
3√2