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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:66AH GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 4, 5, 4√2, 8, 9, 7√2, 10, 8√2, 9√2, 13, 14, 10√2, 13√2, 20, 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 94 32 14 93 41 14 47 41 23 46 41 19 87 45 23 86 45 15 203 66 0 55 41 14 141 46 14 72 53 7

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
9√2
9
4
4√2
8
8√2
20
5
14
7√2