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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:131AD GHM

Order: 19

Horizontal side: 131 Vertical side: 131

Elements: 2, 2√2, 4, 3√2, 6, 9, 7√2, 11, 10√2, 17, 20, 20√2, 37, 37√2, 54, 47√2, 74, 57√2, 94.

Code: 947 0 131 743 94 57 372 131 94 371 131 131 476 84 47 206 0 37 547 20 57 570 74 57 104 84 47 205 0 17 175 0 0 111 11 17 97 11 17 76 13 10 26 11 8 45 13 6 25 11 6 61 17 6 32 20 3

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)

94
74
37√2
37
47√2
20√2
54
57√2
10√2
20
17
11
9
7√2
2√2
4
2
6
3√2