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This week's quiz is to write a program that displays LCD style numbers at
adjustable sizes.

The digits to be displayed will be passed as an argument to the program.  Size
should be controlled with the command-line option -s follow up by a positive
integer.  The default value for -s is 2.

For example, if your program is called with:

	> lcd.rb 012345

The correct display is:

	 --        --   --        -- 
	|  |    |    |    | |  | |   
	|  |    |    |    | |  | |   
	           --   --   --   -- 
	|  |    | |       |    |    |
	|  |    | |       |    |    |
	 --        --   --        -- 

And for:

	> lcd.rb -s 1 6789

Your program should print:

	 -   -   -   - 
	|     | | | | |
	 -       -   - 
	| |   | | |   |
	 -       -   - 

Note the single column of space between digits in both examples. For other
values of -s, simply lengthen the - and | bars.