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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:80BL3of3 GHM

Order: 19

Horizontal side: 80 Vertical side: 80

Elements: 4, 4√2, 8, 7√2, 8√2, 12, 9√2, 14, 12√2, 18, 14√2, 20, 18√2, 19√2, 20√2, 21√2, 40, 52, 40√2.

Code: 525 0 28 404 40 40 403 80 40 124 52 28 46 60 36 85 64 32 84 72 32 206 60 20 186 42 18 45 60 32 127 60 32 142 14 14 141 14 28 72 21 21 194 33 9 210 21 21 205 60 0 96 33 9 185 42 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)

52
40√2
40
12√2
4√2
8
8√2
20√2
18√2
4
12
14√2
14
7√2
19√2
21√2
20
9√2
18