def give_matrix(i,j):
    res = []
    for ii in range(i-2,i+3): 
        inner_res = []
        for jj in range(j-2,j+3):
            if (ii-2<0 or ii+3>n or jj-2<0 or jj+3>n):
                inner_res.append('x')
            else:
                inner_res.append(arr[ii][jj])
        res.append(inner_res)
    return res
 
 
m = 20
n = 20
 
arr = [[i+j for i in range(m)] for j in range(n)]
 
print(give_matrix(1,10))
print(give_matrix(8,12))
 

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