uri 1145

#include<stdio.h>
int main()
{
    int i,a,b,c,d,e,f=1;
    scanf("%d %d",&a,&d);
    b = d/a;
    e = a;
    for(i=1; i<=b; i++){

        printf("%d",f);
        for(c=f+1; c<=e; c++)
        printf(" %d",c);
        printf("\n");
        f+=a;
        e+=a;
    }
    return 0;
}