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Primitive Perfect Isosceles Right Triangled Square

Title: _d 19:222AU GHM

Order: 19

Horizontal side: 222 Vertical side: 222

Elements: 10, 10√2, 14√2, 20, 17√2, 30, 34, 30√2, 31√2, 32√2, 49, 35√2, 62, 45√2, 80, 111, 80√2, 142, 111√2.

Code: 1425 0 80 1114 111 111 1113 222 111 314 142 80 170 173 111 491 222 111 140 156 94 341 190 94 322 222 62 807 0 80 800 80 80 454 125 35 106 160 70 205 170 60 356 125 35 105 160 60 623 222 0 302 190 30 301 190 60

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)

142
111√2
111
31√2
17√2
49
14√2
34
32√2
80
80√2
45√2
10√2
20
35√2
10
62
30√2
30