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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:152CD GHM

Order: 19

Horizontal side: 152 Vertical side: 152

Elements: 3√2, 6, 6√2, 11, 12, 11√2, 12√2, 22, 21√2, 33, 34, 42, 31√2, 33√2, 55, 76, 55√2, 97, 76√2.

Code: 975 0 55 764 76 76 763 152 76 214 97 55 30 118 76 341 152 76 60 115 73 61 121 73 312 152 42 120 109 67 121 121 67 557 0 55 550 55 55 334 88 22 333 121 22 423 152 0 221 110 22 112 121 11 111 121 22

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)

97
76√2
76
21√2
3√2
34
6√2
6
31√2
12√2
12
55
55√2
33√2
33
42
22
11√2
11