RANGEZER - ZEROES IN RANGE

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You are given two integers a and b. Find the number of zeroes in the digits of all the numbers in the range [a,b] inclusive.

Input:

The first line consists of an integer t, the number of test cases. For each test case you will be given two integers a and b (a<=b).


Output:

For each test case print the required answer.

 

Input Constraints:

1<=t<=1000

1<=a<=b<=10000000


Sample Input:

2

1 10

1 100


Sample Output:

1

11



Added by:cegprakash
Date:2013-02-24
Time limit:2s
Source limit:50000B
Memory limit:1536MB
Cluster: Cube (Intel G860)
Languages:All except: BF