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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:306AD GHM

Order: 19

Horizontal side: 306 Vertical side: 306

Elements: 3√2, 6, 6√2, 12, 12√2, 21√2, 44, 44√2, 66, 86, 88, 66√2, 110, 86√2, 88√2, 152, 154, 110√2, 196.

Code: 1967 0 306 1523 196 154 1107 196 306 1106 196 196 212 217 175 30 217 175 60 214 172 61 220 172 862 306 86 120 208 166 121 220 166 446 0 110 885 44 66 884 132 66 1543 220 0 445 0 66 863 306 0 665 0 0 664 66 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)

196
152
110
110√2
21√2
3√2
6√2
6
86√2
12√2
12
44√2
88
88√2
154
44
86
66
66√2