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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:220BD GHM

Order: 19

Horizontal side: 220 Vertical side: 220

Elements: 4√2, 8, 8√2, 16, 21, 24, 28, 21√2, 26√2, 28√2, 42, 56, 63, 68, 89, 110, 89√2, 131, 110√2.

Code: 1315 0 89 1104 110 110 1103 220 110 214 131 89 213 152 89 565 152 54 681 220 110 897 0 89 890 89 89 631 152 89 285 152 26 284 180 26 40 208 54 243 204 26 87 204 50 80 212 50 167 204 42 423 220 0 264 178 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)

131
110√2
110
21√2
21
56
68
89
89√2
63
28
28√2
4√2
24
8
8√2
16
42
26√2