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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:50AD GHM

Order: 18

Horizontal side: 50 Vertical side: 50

Elements: 1√2, 2, 2√2, 4, 3√2, 4√2, 6, 7, 8, 9, 8√2, 16, 21, 22, 25, 19√2, 28, 25√2.

Code: 285 0 22 254 25 25 253 50 25 24 27 23 23 29 23 95 29 16 211 50 25 14 28 22 73 29 16 227 0 22 36 19 19 67 22 22 190 19 19 161 38 16 82 46 8 83 46 0 42 50 4 43 50 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)

28
25√2
25
2√2
2
9
21
1√2
7
22
3√2
6
19√2
16
8√2
8
4√2
4