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Primitive Perfect Isosceles Right Triangled Square

Title: dr 19:66AI1of4 GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 1√2, 2, 2√2, 4, 4√2, 8, 7√2, 10, 8√2, 13, 10√2, 13√2, 20, 15√2, 23, 23√2, 33, 43, 33√2.

Code: 435 0 23 334 33 33 333 66 33 104 43 23 103 53 23 132 66 20 131 66 33 237 0 23 230 23 23 154 38 8 86 45 15 203 66 0 10 45 15 20 44 14 21 46 14 72 53 7 40 42 12 41 46 12 81 46 8

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)

43
33√2
33
10√2
10
13√2
13
23
23√2
15√2
8√2
20
1√2
2√2
2
7√2
4√2
4
8