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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:228AR GHM

Order: 19

Horizontal side: 228 Vertical side: 228

Elements: 1, 16, 20, 16√2, 24, 20√2, 32, 23√2, 24√2, 45, 46, 36√2, 46√2, 68, 91, 114, 91√2, 137, 114√2.

Code: 1375 0 91 1144 114 114 1143 228 114 234 137 91 246 136 90 325 160 82 681 228 114 917 0 91 910 91 91 451 136 91 17 136 91 245 136 66 165 160 66 164 176 66 360 192 82 205 136 46 204 156 46 464 182 0 463 228 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)

137
114√2
114
23√2
24√2
32
68
91
91√2
45
1
24
16
16√2
36√2
20
20√2
46√2
46