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Primitive Perfect Isosceles Right Triangled Square

Title: _r 19:222BX2of4 GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 6, 6√2, 12, 14, 12√2, 18, 14√2, 18√2, 28, 21√2, 60, 74, 60√2, 88, 102, 74√2, 81√2, 120, 148.

Code: 1485 0 74 1201 120 222 1027 120 222 816 141 141 210 141 141 125 120 108 124 132 108 180 144 120 181 162 120 602 222 60 65 120 102 64 126 102 281 148 102 142 162 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
120
102
81√2
21√2
12
12√2
18√2
18
60√2
6
6√2
28
14√2
14
88
74
74√2
60