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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:144AH GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 11√2, 17, 20, 17√2, 18√2, 29, 23√2, 34, 36, 38, 27√2, 40, 29√2, 34√2, 36√2, 54, 72, 52√2, 72√2.

Code: 725 0 72 724 72 72 526 92 92 203 92 72 292 121 63 362 36 36 541 54 72 272 81 45 381 92 72 293 121 34 232 144 40 110 81 45 403 144 0 363 36 0 182 54 18 340 70 34 341 104 34 172 121 17 171 121 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)

72
72√2
52√2
20
29√2
36√2
54
27√2
38
29
23√2
11√2
40
36
18√2
34√2
34
17√2
17