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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:154BQ GHM

Order: 19

Horizontal side: 154 Vertical side: 154

Elements: 2, 2√2, 4, 9√2, 10√2, 11√2, 20, 23, 20√2, 23√2, 27√2, 40, 44, 50, 54, 50√2, 77, 104, 77√2.

Code: 1045 0 50 774 77 77 773 154 77 274 104 50 230 131 77 231 154 77 43 108 50 22 110 52 21 110 54 447 110 54 543 154 0 116 99 41 507 0 50 500 50 50 401 90 50 202 110 30 94 99 41 203 110 10 104 100 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)

104
77√2
77
27√2
23√2
23
4
2√2
2
44
54
11√2
50
50√2
40
20√2
9√2
20
10√2