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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:216AQ GHM

Order: 19

Horizontal side: 216 Vertical side: 216

Elements: 8, 8√2, 16, 20, 16√2, 34, 27√2, 40, 48, 34√2, 54, 56, 72, 74, 54√2, 88, 81√2, 128, 108√2.

Code: 1285 0 88 1084 108 108 816 135 135 270 135 135 201 128 108 342 162 74 341 162 108 542 216 54 885 0 0 721 72 88 567 72 88 483 128 40 743 162 0 543 216 0 80 80 40 81 88 40 407 88 40 167 72 32 166 72 16

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)

128
108√2
81√2
27√2
20
34√2
34
54√2
88
72
56
48
74
54
8√2
8
40
16
16√2