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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:212BD GHM

Order: 19

Horizontal side: 212 Vertical side: 212

Elements: 3, 3√2, 8, 7√2, 10, 11, 10√2, 11√2, 20, 30, 38, 38√2, 68, 76, 68√2, 106, 76√2, 136, 106√2.

Code: 1365 0 76 1064 106 106 1063 212 106 301 136 106 205 136 86 384 174 68 383 212 68 105 136 76 104 146 76 70 156 86 30 149 79 31 152 79 117 152 79 110 163 79 765 0 0 764 76 0 83 152 68 680 144 68 681 212 68

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)

136
106√2
106
30
20
38√2
38
10
10√2
7√2
3√2
3
11
11√2
76
76√2
8
68√2
68