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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:62AN3of4 GHM

Order: 19

Horizontal side: 62 Vertical side: 62

Elements: 2, 2√2, 3, 4, 3√2, 5, 4√2, 9, 7√2, 9√2, 11√2, 18, 13√2, 20, 22, 20√2, 31, 42, 31√2.

Code: 425 0 20 314 31 31 313 62 31 114 42 20 183 53 13 92 62 22 91 62 31 223 62 0 207 0 20 200 20 20 74 27 13 26 32 18 45 34 16 44 38 16 53 32 13 25 32 16 35 32 13 34 35 13 134 40 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)

42
31√2
31
11√2
18
9√2
9
22
20
20√2
7√2
2√2
4
4√2
5
2
3
3√2
13√2