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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:144AF GHM

Order: 19

Horizontal side: 144 Vertical side: 144

Elements: 9√2, 13, 14, 13√2, 25, 18√2, 19√2, 25√2, 36, 40, 31√2, 44, 32√2, 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 72 405 54 32 94 63 63 255 94 19 254 119 19 443 144 0 363 36 0 182 54 18 147 54 32 320 68 32 134 81 19 133 94 19 194 100 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
40
9√2
25
25√2
44
36
18√2
14
32√2
13√2
13
19√2