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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:110BF GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 4, 4√2, 7, 8, 6√2, 12, 12√2, 18, 16√2, 23, 25, 28, 32, 23√2, 39, 55, 39√2, 71, 55√2.

Code: 715 0 39 554 55 55 553 110 55 164 71 39 230 87 55 231 110 55 397 0 39 390 39 39 251 64 39 77 64 39 187 64 32 126 70 20 287 82 32 323 110 0 66 64 14 125 70 8 81 78 8 42 82 4 41 82 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)

71
55√2
55
16√2
23√2
23
39
39√2
25
7
18
12√2
28
32
6√2
12
8
4√2
4