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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:247AA GHM

Order: 19

Horizontal side: 247 Vertical side: 247

Elements: 8√2, 22√2, 40, 44, 40√2, 61, 44√2, 66, 77, 80, 82, 85, 61√2, 88, 101, 104, 77√2, 82√2, 85√2.

Code: 1047 0 247 820 104 247 821 186 247 612 247 186 611 247 247 1013 247 85 226 0 143 447 22 165 446 22 121 885 66 77 801 146 165 402 186 125 401 186 165 665 0 77 84 154 77 850 162 85 851 247 85 775 0 0 774 77 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
82√2
82
61√2
61
101
22√2
44
44√2
88
80
40√2
40
66
8√2
85√2
85
77
77√2