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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:156AJ GHM

Order: 19

Horizontal side: 156 Vertical side: 156

Elements: 4, 5√2, 10, 16, 12√2, 20, 16√2, 24, 32, 39, 29√2, 34√2, 49, 39√2, 44√2, 68, 78, 88, 78√2.

Code: 885 0 68 784 78 78 783 156 78 101 88 78 292 117 49 344 122 44 396 117 39 685 0 0 444 44 24 323 88 36 493 117 0 52 122 44 395 117 0 120 56 36 164 72 20 163 88 20 241 68 24 45 68 20 207 68 20

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)

88
78√2
78
10
29√2
34√2
39√2
68
44√2
32
49
5√2
39
12√2
16√2
16
24
4
20