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Rectangles

Time Limit: 8000/5000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)
Total Submission(s): 292    Accepted Submission(s): 21


Problem Description
 

Sample Input
2
1 1 2 2
2 2 3 3
 

Sample Output
48
 

Hint

({1}, {(2,2), (2,2)}) and ({2},{(2,2), (2,2)}) are two different ways.
 

Source
2013 Multi-University Training Contest 10
 

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