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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:66AD GHM

Order: 19

Horizontal side: 66 Vertical side: 66

Elements: 2, 2√2, 4, 5, 4√2, 5√2, 8, 10, 8√2, 15, 11√2, 16, 17, 15√2, 25, 33, 25√2, 41, 33√2.

Code: 415 0 25 334 33 33 333 66 33 84 41 25 83 49 25 42 53 29 171 66 33 43 53 25 22 55 27 23 55 25 112 66 16 257 0 25 250 25 25 154 40 10 153 55 10 163 66 0 101 50 10 52 55 5 51 55 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)

41
33√2
33
8√2
8
4√2
17
4
2√2
2
11√2
25
25√2
15√2
15
16
10
5√2
5