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Primitive Perfect Isosceles Right Triangled Square

Title: _d 18:126AH GHM

Order: 18

Horizontal side: 126 Vertical side: 126

Elements: 4, 5√2, 9, 10, 9√2, 13, 10√2, 18, 13√2, 20, 20√2, 40, 43, 53, 63, 73, 53√2, 63√2.

Code: 735 0 53 634 63 63 633 126 63 104 73 53 103 83 53 52 88 58 431 126 63 96 79 49 185 88 40 537 0 53 530 53 53 134 66 40 133 79 40 47 79 53 95 79 40 401 106 40 202 126 20 203 126 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)

73
63√2
63
10√2
10
5√2
43
9√2
18
53
53√2
13√2
13
4
9
40
20√2
20