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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AC GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 4, 10, 10√2, 13√2, 20, 26, 30, 24√2, 26√2, 43, 48, 53, 63, 48√2, 87, 111, 87√2, 135, 111√2.

Code: 1355 0 87 1114 111 111 1113 222 111 244 135 87 203 159 91 102 169 101 631 222 111 103 169 91 535 169 48 43 139 87 307 139 91 433 169 48 877 0 87 870 87 87 264 113 61 263 139 61 134 126 48 484 174 0 483 222 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)

135
111√2
111
24√2
20
10√2
63
10
53
4
30
43
87
87√2
26√2
26
13√2
48√2
48