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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:142AG GHM

Order: 19

Horizontal side: 142 Vertical side: 142

Elements: 8, 12, 14, 12√2, 14√2, 20, 24, 18√2, 19√2, 28, 24√2, 38, 48, 52, 38√2, 66, 52√2, 76, 71√2.

Code: 765 0 66 714 71 71 526 90 90 196 71 71 525 90 38 665 0 0 481 48 66 242 72 42 281 76 66 142 90 52 143 90 38 243 72 18 122 84 30 81 84 38 207 84 38 380 104 38 381 142 38 123 84 18 184 66 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)

76
71√2
52√2
19√2
52
66
48
24√2
28
14√2
14
24
12√2
8
20
38√2
38
12
18√2