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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:219AG GHM

Order: 19

Horizontal side: 219 Vertical side: 219

Elements: 9, 10√2, 20, 28, 20√2, 28√2, 40, 42, 56, 42√2, 60, 49√2, 70, 79, 56√2, 98, 70√2, 121, 149.

Code: 1497 0 219 1213 149 98 707 149 219 706 149 149 605 149 89 286 0 70 565 28 42 564 84 42 983 140 0 492 189 49 91 149 98 401 189 89 202 209 69 201 209 89 102 219 79 793 219 0 285 0 42 425 0 0 424 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)

149
121
70
70√2
60
28√2
56
56√2
98
49√2
9
40
20√2
20
10√2
79
28
42
42√2