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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:168AG GHM

Order: 19

Horizontal side: 168 Vertical side: 168

Elements: 4, 13√2, 19, 20, 23, 17√2, 19√2, 20√2, 21√2, 23√2, 34, 40, 30√2, 44, 64, 84, 64√2, 104, 84√2.

Code: 1045 0 64 844 84 84 843 168 84 204 104 64 203 124 64 232 147 61 441 168 84 647 0 64 640 64 64 304 94 34 136 111 51 233 147 38 212 168 40 170 111 51 403 168 0 41 128 38 192 147 19 191 147 38 341 128 34

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)

104
84√2
84
20√2
20
23√2
44
64
64√2
30√2
13√2
23
21√2
17√2
40
4
19√2
19
34