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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:228AD GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 12, 10√2, 20, 21, 16√2, 28, 20√2, 21√2, 32, 28√2, 42, 56, 63, 72, 93, 114, 93√2, 135, 114√2.

Code: 1355 0 93 1144 114 114 1143 228 114 214 135 93 213 156 93 565 156 58 721 228 114 937 0 93 930 93 93 631 156 93 285 156 30 284 184 30 160 212 58 123 196 30 327 196 42 423 228 0 204 176 10 203 196 10 104 186 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)

135
114√2
114
21√2
21
56
72
93
93√2
63
28
28√2
16√2
12
32
42
20√2
20
10√2