From: Lee Hinman <matthew.hinman@...>
Date: 2009-06-15T06:47:22+09:00
Subject: Re: Matrix Rotator (#209)

>> -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-
>> ## Matrix Rotator (#209)
>>
>> Здравствуйте Rubyists,
>>
>> This week's quiz is write ruby method that will rotate a matrix 90
>> degrees counter-clockwise (or π/2 radians).
>>
>> Ex:
>>     0 0 0 0
>>     0 X 0 0
>>     X X X 0
>>     0 0 0 0
>>
>>     0 0 0 0
>>     0 0 X 0
>>     0 X X 0
>>     0 0 X 0
>>
>>
>> --
>> -Daniel
>> http://rubyquiz.strd6.com
>>
>> P. S. This may come in handy on a future quiz.

Here's my (different) solution, rather manual this way.
http://pastie.org/511889

- Lee