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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:110BD GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 3, 6, 6√2, 12, 9√2, 15, 16, 12√2, 18, 16√2, 23, 21√2, 32, 23√2, 39, 55, 39√2, 71, 55√2.

Code: 715 0 39 554 55 55 553 110 55 164 71 39 163 87 39 232 110 32 231 110 55 397 0 39 390 39 39 214 60 18 60 81 39 61 87 39 153 75 18 127 75 33 126 75 21 323 110 0 35 75 18 181 78 18 92 87 9

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
16
23√2
23
39
39√2
21√2
6√2
6
15
12
12√2
32
3
18
9√2