Tetrahex Bisymmetry Puzzle

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Tetrahex Bisymmetry Puzzle:

Take a full set of seven tetrahexes and make a figure with horizontal and vertical symmetry. (It will also have R2 rotational symmetry)

Patterns marked with an asterisk courtesy of George Sicherman.

(Note that there may be more than one solution for a given shape, but only one example is shown.)

Hover over an image to see a solution.

1 2 3 4 5* 6*

 

7 8  9  10  11* 12*

 

13* 14* 15* 16* 17* 18*

 

19

 

20 21 22 23* 24*
25

 

26* 27* 28* 29 30
31* 32* 33* 34* 35* 36*

 

37 38 39* 40* 41* 42*

 

43* 44 45* 46* 47 48

 

49* 50* 51* 52* 53* 54*

 

55* 56* 57* 58* 59* 60*

 

61* 62* 63* 64 65 66*

 

67* 68* 69 70* 71 72

 

   
73* 74* 75 76    

 

 

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