Fitting circles

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You are given a rectangle of length a and width b. You are required to determine a circle that contains the maximum circumference that fits inside the rectangle. This type of circle is called a big circle. Your task is to determine the maximum number of big circles that can fit inside the rectangle. 

Input format
  • First line: An integer t denoting the number of test cases
  • First line of each test case: Integers a and b
Output format
For each test case, print the answer on a new line denoting the maximum number of big circles that can fit in the provided rectangle.  
Constraints
1≤t≤10001≤a,b≤109
SAMPLE INPUT
 
1
40 10
SAMPLE OUTPUT
 
4

Explanation
4 circles of radius 10 can fit inside the rectangle.

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