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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212AC GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 7√2, 14, 16, 20, 15√2, 16√2, 20√2, 32, 40, 31√2, 60, 46√2, 52√2, 53√2, 60√2, 92, 106, 120, 106√2.

Code: 1205 0 92 1064 106 106 1063 212 106 141 120 106 152 135 91 464 166 60 536 159 53 925 0 0 524 52 40 323 104 60 162 120 76 161 120 92 310 135 91 200 72 60 201 92 60 607 92 60 600 152 60 74 159 53 401 92 40

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)

120
106√2
106
14
15√2
46√2
53√2
92
52√2
32
16√2
16
31√2
20√2
20
60
60√2
7√2
40