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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:122CA GHM

Order: 19

Horizontal side: 122 Vertical side: 122

Elements: 4, 4√2, 5√2, 8, 7√2, 10, 12, 14, 10√2, 12√2, 20, 24, 44, 34√2, 54, 39√2, 44√2, 78, 61√2.

Code: 785 0 44 614 61 61 543 122 68 76 61 61 147 68 68 40 82 68 41 86 68 127 86 68 126 86 56 247 98 68 346 88 34 106 68 54 205 78 44 81 86 64 445 0 0 444 44 0 56 83 39 107 88 44 390 83 39

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)

78
61√2
54
7√2
14
4√2
4
12
12√2
24
34√2
10√2
20
8
44
44√2
5√2
10
39√2