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Primitive Perfect Isosceles Right Triangled Square

Title: __ 19:136AI GHM

Order: 19

Horizontal side: 136 Vertical side: 136

Elements: 4, 3√2, 4√2, 6, 8, 6√2, 12, 18, 13√2, 21√2, 34, 38, 30√2, 34√2, 64, 68, 72, 51√2, 68√2.

Code: 725 0 64 684 68 68 683 136 68 44 72 64 123 76 56 62 82 62 304 106 38 346 102 34 647 0 64 136 51 51 87 64 64 63 82 56 32 85 59 210 85 59 187 64 56 510 51 51 381 102 38 47 102 38 345 102 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)

72
68√2
68
4√2
12
6√2
30√2
34√2
64
13√2
8
6
3√2
21√2
18
51√2
38
4
34