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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:220AI GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 11√2, 18, 18√2, 36, 27√2, 44, 50, 36√2, 44√2, 66, 50√2, 72, 55√2, 82, 88, 66√2, 104, 77√2, 88√2.

Code: 1047 0 220 500 104 220 501 154 220 662 220 154 661 220 220 180 54 170 181 72 170 272 99 143 821 154 170 776 143 77 360 36 152 361 72 152 550 99 143 727 0 116 446 0 44 887 44 88 880 132 88 114 143 77 445 0 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)

104
50√2
50
66√2
66
18√2
18
27√2
82
77√2
36√2
36
55√2
72
44√2
88
88√2
11√2
44