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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:51AB GHM

Order: 19

Horizontal side: 51 Vertical side: 51

Elements: 2√2, 4√2, 5√2, 8, 7√2, 8√2, 12, 9√2, 13, 14, 11√2, 16, 13√2, 14√2, 22, 16√2, 23, 26, 19√2.

Code: 237 0 51 160 23 51 161 39 51 82 47 43 121 51 51 83 47 35 42 51 39 263 51 13 70 7 35 94 16 26 116 14 24 227 25 35 142 14 14 141 14 28 22 16 26 52 19 19 190 19 19 134 38 0 133 51 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)

23
16√2
16
8√2
12
8
4√2
26
7√2
9√2
11√2
22
14√2
14
2√2
5√2
19√2
13√2
13