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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:45AE GHM

Order: 19

Horizontal side: 45 Vertical side: 45

Elements: 2√2, 3√2, 4√2, 6, 7, 8, 7√2, 8√2, 12, 13, 14, 10√2, 16, 12√2, 13√2, 14√2, 20, 16√2, 19√2.

Code: 192 19 26 164 16 29 130 32 45 131 45 45 36 16 29 67 19 32 40 25 32 201 45 32 146 7 14 87 21 28 86 21 20 165 29 12 102 31 10 76 0 7 145 7 0 24 31 10 120 33 12 121 45 12 75 0 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)

19√2
16√2
13√2
13
3√2
6
4√2
20
14√2
8
8√2
16
10√2
7√2
14
2√2
12√2
12
7