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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:228AK GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 11√2, 22, 16√2, 20√2, 32, 24√2, 35, 40, 32√2, 48, 35√2, 57, 72, 57√2, 92, 68√2, 114, 136, 114√2.

Code: 1365 0 92 1144 114 114 1143 228 114 221 136 114 352 171 79 351 171 114 577 171 114 576 171 57 925 0 0 721 72 92 325 72 60 324 104 60 483 136 44 116 160 68 680 160 68 405 72 20 164 88 44 244 112 20 204 92 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)

136
114√2
114
22
35√2
35
57
57√2
92
72
32
32√2
48
11√2
68√2
40
16√2
24√2
20√2