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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:222BP4of4 GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 6, 6√2, 12, 9√2, 14, 12√2, 18, 14√2, 18√2, 28, 21√2, 60, 74, 60√2, 88, 74√2, 81√2, 148, 111√2.

Code: 1485 0 74 1114 111 111 816 141 141 210 141 141 96 111 111 187 120 120 180 138 120 124 150 108 123 162 108 602 222 60 64 156 102 63 162 102 281 148 102 142 162 88 141 162 102 883 162 0 745 0 0 744 74 0 603 222 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)

148
111√2
81√2
21√2
9√2
18
18√2
12√2
12
60√2
6√2
6
28
14√2
14
88
74
74√2
60