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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:55AD GHM

Order: 19

Horizontal side: 55 Vertical side: 55

Elements: 1, 2√2, 4, 4√2, 8, 6√2, 9, 10, 8√2, 12, 10√2, 16, 12√2, 16√2, 23, 24, 31, 32, 23√2.

Code: 325 0 23 241 24 55 122 36 43 311 55 55 123 36 31 102 46 33 103 46 23 95 46 24 64 30 25 46 32 27 26 30 25 45 32 23 17 46 24 80 47 24 81 55 24 235 0 0 234 23 0 160 39 16 161 55 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)

32
24
12√2
31
12
10√2
10
9
6√2
4√2
2√2
4
1
8√2
8
23
23√2
16√2
16