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Primitive Perfect Isosceles Right Triangled Square

Title: __ 18:56BB GHM

Order: 18

Horizontal side: 56 Vertical side: 56

Elements: 1√2, 5, 4√2, 6, 7, 5√2, 8, 6√2, 7√2, 14, 16, 14√2, 20, 21, 22, 21√2, 35, 28√2.

Code: 355 0 21 284 28 28 223 56 34 60 34 34 61 40 34 167 40 34 203 56 14 71 35 28 57 35 28 56 35 23 12 36 22 83 36 14 42 40 18 217 0 21 210 21 21 74 28 14 144 42 0 143 56 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)

35
28√2
22
6√2
6
16
20
7
5
5√2
1√2
8
4√2
21
21√2
7√2
14√2
14