you are given an integer N find the smallest palindromic number of N digits that is divisible by 7
constrains
1<=T<=10
1<=N<=10^5
sample INPUT
2
3
4
sample OUTPUT
161
1001
you are given an integer N find the smallest palindromic number of N digits that is divisible by 7
constrains
1<=T<=10
1<=N<=10^5
sample INPUT
2
3
4
sample OUTPUT
161
1001