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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:111AA GHM

Order: 19

Horizontal side: 111 Vertical side: 111

Elements: 12, 13, 12√2, 13√2, 20, 24, 26, 19√2, 20√2, 21√2, 36, 26√2, 40, 42, 30√2, 36√2, 51, 39√2, 60.

Code: 605 0 51 364 36 75 363 72 75 262 98 85 261 98 111 132 111 98 131 111 111 396 72 59 241 60 75 122 72 63 121 72 75 423 72 21 192 91 40 515 0 0 304 30 21 403 91 0 202 111 20 214 51 0 203 111 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)

60
36√2
36
26√2
26
13√2
13
39√2
24
12√2
12
42
19√2
51
30√2
40
20√2
21√2
20