#include <iostream>
using namespace std;

int left_seat[21]; // 记录每排剩余的座位数，共20排，100个座位
int row_start[21]; // 记录每次访问该排时的起点位置

int main()
{
	std::ios::sync_with_stdio(false);
	int n;
	cin >> n;

	for (int i = 1; i <= 20; i++)
	{
		row_start[i] = (i - 1) * 5 + 1;
	}
	for (int i = 1; i <= 20; i++)
	{
		left_seat[i] = 5;
	}

	// 最多不超过5张
	while (n--)
	{
		int demand;
		cin >> demand;

		bool flag = false;
		for (int i = 1; i <= 20; i++)
		{
			if (left_seat[i] >= demand)
			{
				for (int j = row_start[i]; j < row_start[i] + demand; j++)
				{
					cout << j << " ";
				}
				flag = true;
				left_seat[i] -= demand;
				row_start[i] += demand;
				break;
			}
			else if (i == 20 && !flag) // 一行满足的情况已分配完，从剩下的零散座位中组合
			{
				int cnt = 0;
				for (int j = 1; j <= 20; j++)
				{
					if (left_seat[j] && cnt != demand)
					{
						for (int k = row_start[j]; left_seat[j] > 0; k++)
						{
							left_seat[j]--;
							cnt++;
							cout << k << " ";
						}
					}
				}
			}
		}
		cout << endl;
	}

	return 0;
}