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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:110BE GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 3, 3√2, 6, 6√2, 9√2, 15, 16, 21, 15√2, 16√2, 23, 27, 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 39 271 66 39 217 66 39 156 72 24 323 110 0 66 66 18 155 72 9 65 66 12 34 69 9 33 72 9 94 78 0

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
27
21
15√2
32
6√2
15
6
3√2
3
9√2