#pragma GCC optimize(3)
#include <cstdio>
#include <queue>
#include <string>
#include <cstring>
#include <algorithm>
#include <cstdlib>
#include <iostream>
#include <iomanip>
#include <cmath>
#include <vector>
#include <set>
#include <map>
#include <fstream>
#include <cassert>
#include <complex>
#include <ctime>
//#include <tr1/unordered_map>
#include <bitset>
#define pii pair<int,int>
#define pdd pair<double,double>
#define pb push_back
#define fi first
#define se second
#define is insert
#define es erase
#define mkp make_pair
#define per(i,a,b) for(int i = a; i >= b; --i)
#define rep(i,a,b) for(int i = a; i <= b; ++i)

using namespace std;
//using namespace tr1;
typedef long long ll;
typedef unsigned long long ull;

inline int read()
{
    int x = 0;
    int f = 0;
    char ch = 0;
    while(!isdigit(ch))
    {
        f |= (ch == '-') ? 1 : 0;
        ch = getchar();
    }
    while(isdigit(ch))
    {
        x = (x << 3) + (x << 1) + (ch ^ 48);
        ch = getchar();
    }
    return f ? -x : x;
}

int t,n,k;

int main()
{
    t = read();
    while(t--)
    {
        n = read();
        k = read();
        if(n & 1)
        {
            int tmp = n / 2;
            printf("%d\n",(k + ((k - 1) / tmp) - 1) % n + 1);
        }
        else
        {
            printf("%d\n",(k - 1) % n + 1);
        }
    }
}
