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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:216BE GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 8, 8√2, 16, 16√2, 26, 28, 24√2, 26√2, 27√2, 28√2, 54, 56, 52√2, 54√2, 80, 82, 81√2, 136, 108√2.

Code: 1365 0 80 1084 108 108 816 135 135 270 135 135 281 136 108 262 162 82 261 162 108 542 216 54 823 162 0 805 0 0 524 52 28 240 104 80 164 120 64 163 136 64 84 128 56 83 136 56 286 52 28 567 80 56 543 216 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)

136
108√2
81√2
27√2
28
26√2
26
54√2
82
80
52√2
24√2
16√2
16
8√2
8
28√2
56
54