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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:220AG GHM

Order: 18

Horizontal side: 220 Vertical side: 220

Elements: 20, 16√2, 32, 44, 32√2, 48, 34√2, 37√2, 44√2, 64, 74, 58√2, 61√2, 88, 64√2, 98, 122, 88√2.

Code: 1225 0 98 884 88 132 883 176 132 442 220 176 441 220 220 646 156 112 344 122 98 586 98 74 207 156 132 645 156 48 985 0 0 614 61 37 376 61 37 745 98 0 325 156 16 324 188 16 483 220 0 164 172 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)

122
88√2
88
44√2
44
64√2
34√2
58√2
20
64
98
61√2
37√2
74
32
32√2
48
16√2