Whats Special about HIOX
Special Rotational Symmetry
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
In the list of English character....
If you go from left to right...
and look for character with...
: Rotate the letter 180 degree in any direction and you will still see the original shape.
Reflection (Mirror) Symmetry
: Keep a mirror in front of the alphabet and it will look like the original.
...you will be able to find only 4 characters that have these very special characteristic and they are
H I O X
noted from left to right....