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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:166AK GHM

Order: 19

Horizontal side: 166 Vertical side: 166

Elements: 9√2, 16, 18, 24, 18√2, 24√2, 36, 37, 40, 48, 36√2, 37√2, 55, 56, 72, 74, 55√2, 56√2, 74√2.

Code: 745 0 92 744 74 92 180 148 166 181 166 166 360 130 148 361 166 148 483 94 64 727 94 112 566 110 56 375 0 55 374 37 55 90 46 64 244 70 40 243 94 40 163 110 40 565 110 0 557 0 55 550 55 55 401 110 40

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)

74
74√2
18√2
18
36√2
36
48
72
56√2
37
37√2
9√2
24√2
24
16
56
55
55√2
40