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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:219AE GHM

Order: 19

Horizontal side: 219 Vertical side: 219

Elements: 3√2, 6, 6√2, 9√2, 18, 32, 32√2, 48, 59, 64, 48√2, 49√2, 80, 58√2, 59√2, 64√2, 112, 80√2, 139.

Code: 1397 0 219 496 90 170 807 139 219 806 139 139 580 90 170 185 139 121 94 148 112 30 157 121 60 154 118 61 160 118 592 219 59 326 0 80 645 32 48 644 96 48 1123 160 0 325 0 48 593 219 0 485 0 0 484 48 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)

139
49√2
80
80√2
58√2
18
9√2
3√2
6√2
6
59√2
32√2
64
64√2
112
32
59
48
48√2