#include <cstdio>
#include <cstdlib>
#include <cstring>
#include <cmath>
#include <ctime>
#include <iostream>
#include <algorithm>
#include <string>
#include <vector>
#include <deque>
#include <list>
#include <set>
#include <map>
#include <stack>
#include <queue>
#include <numeric>
#include <iomanip>
#include <bitset>
#include <sstream>
#include <fstream>
#define debug puts("-----")
#define pi (acos(-1.0))
#define eps (1e-8)
#define inf (1<<28)
using namespace std;

const int MAX = 25;
int triangle[MAX][MAX];

int main(int argc, char const *argv[])
{
    int n, s, i, j, k;
    bool flag = false;
    cin >> n >> s;
    for (i = 0; i <= n; i++)
    {
        for (j = 0; j <= i; j++)
        {
            triangle[j][i] = s;
            s++;
            if (s % 10 != 0)
            {
                s %= 10;
            }
            else (++s) %= 10;
        }
    }

    for (i = 0; i < n; i++)
    {
        flag = false;
        for (k = 0; k < i; k++)
        {
            cout << " ";
        }
        for (j = 0; j < n; j++)
        {
            if (triangle[i][j] != 0)
            {
                if (flag)  cout << " ";
                cout << triangle[i][j];
                flag = true;
            }
            else
            {
                cout << " ";
            }
        }
        cout << endl;
    }
    return 0;
}