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Time Limit: 2000/1000 MS (Java/Others)    Memory Limit: 131072/131072 K (Java/Others)
Total Submission(s): 499    Accepted Submission(s): 233
Special Judge

Problem Description
 

Sample Input
3
-1 2 2
2 -1 2
2 2 -1
3
-1 1 2
1 -1 2
2 2 -1
 

Sample Output
YES
-1 1 1
1 -1 1
1 1 -1
NO
 

Source
2013 Multi-University Training Contest 10
 

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