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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:76AO GHM

Order: 19

Horizontal side: 76 Vertical side: 76

Elements: 2, 4√2, 5√2, 7√2, 12, 14, 16, 12√2, 18, 14√2, 20, 24, 18√2, 22√2, 32, 24√2, 26√2, 40, 32√2.

Code: 407 0 76 240 40 76 241 64 76 122 76 64 121 76 76 326 44 32 163 16 36 145 16 38 144 30 38 266 18 26 207 44 52 25 16 36 74 23 31 182 18 18 181 18 36 52 23 31 325 44 0 42 22 22 220 22 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)

40
24√2
24
12√2
12
32√2
16
14
14√2
26√2
20
2
7√2
18√2
18
5√2
32
4√2
22√2