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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:210AB GHM

Order: 18

Horizontal side: 210 Vertical side: 210

Elements: 13√2, 18√2, 28, 36, 28√2, 48, 36√2, 54, 56, 52√2, 54√2, 78, 80, 84, 65√2, 102, 104, 78√2.

Code: 1027 0 210 843 102 126 287 102 210 280 130 210 801 210 210 567 102 182 1043 158 78 522 210 130 656 145 65 186 0 108 367 18 126 366 18 90 487 54 126 542 54 54 787 54 78 780 132 78 134 145 65 543 54 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)

102
84
28
28√2
80
56
104
52√2
65√2
18√2
36
36√2
48
54√2
78
78√2
13√2
54