Geek has a rosarium and it has N*M slots, some of them are empty and some of them have roses. Given N*M character array consists of 0's and 1's. 0 represents an empty spot and 1 represents a rose. The task is to find the maximum number of adjacent roses in geek's rosarium. For a spot (i, j) adjacent spots are (i+1, j), (i-1, j), (i, j-1), (i, j+1), (i-1, j-1), (i-1, j+1), (i+1, j-1), and (i+1, j+1).
Input:
1. The first line of the input contains a single integerT denoting the number of test cases. The description of T test cases follows.
2. The first line of each test case contains two space-separated integers N and M. 3.Next N lines consist of M characters.
Output: For each test case, print the maximum number of adjacent roses.
Constraints:
1. 1 <= T <= 100 2. 1 <= N, M <= 100
3. '0' <= arr[i][j] <= '1'
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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