#include <iostream>
#include <conio.h>
#include <vector>

using namespace std;

int main()
{
    cout << "How many numbers would you like? ";
    int number_range = 0;
    cin >> number_range;
    cout << "What is the block size? ";
    int block_size = 0;
    cin >> block_size;

    if(block_size > number_range){
    cout << endl;
    cout << "Error: Block size greater than number range";
    getch();
    return -1;
    }

    vector<int> numbers;
    for(int i = 0; i < number_range; i++){
        numbers.push_back(i+1);
        }
    int i = 0;
    int BS = block_size;
    while(i < number_range){
        for(int j = block_size; j > i ;j--){
            cout << numbers.at(j-1) << " ";
            }
        cout << endl;
        i = block_size;
        block_size += BS;
        if(block_size > number_range)
        block_size = number_range;
        }

    getch();
    return 0;
}