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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:144AD GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 9√2, 13, 13√2, 19, 25, 18√2, 19√2, 25√2, 36, 27√2, 31√2, 44, 45, 50, 36√2, 54, 50√2, 72, 72√2.

Code: 725 0 72 724 72 72 506 94 94 316 63 63 505 94 44 362 36 36 541 54 72 272 81 45 94 63 63 453 81 0 132 94 32 255 94 19 254 119 19 443 144 0 363 36 0 182 54 18 133 94 19 195 81 0 194 100 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)

72
72√2
50√2
31√2
50
36√2
54
27√2
9√2
45
13√2
25
25√2
44
36
18√2
13
19
19√2