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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:110BQ GHM

Order: 19

Horizontal side: 110 Vertical side: 110

Elements: 4, 6, 8, 6√2, 8√2, 12, 16, 12√2, 21, 17√2, 18√2, 21√2, 30, 34, 38, 38√2, 55, 72, 55√2.

Code: 725 0 38 554 55 55 553 110 55 174 72 38 210 89 55 211 110 55 387 0 38 380 38 38 301 68 38 47 68 38 67 68 34 60 74 34 184 92 16 343 110 0 127 68 28 120 80 28 87 68 16 86 68 8 167 76 16

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)

72
55√2
55
17√2
21√2
21
38
38√2
30
4
6
6√2
18√2
34
12
12√2
8
8√2
16