#include <iostream>

using namespace std;
const int N = 1010;
int te[N][N];
bool st[N][N];
int remains[N];
int n;

void add_flag(int i,int x){
    int j = 1;
    while(j <= 5 && st[i][j]) j++;
    for(int k = 0;k < x;k++){
        cout << te[i][j] << ' ';
        st[i][j++] = 1;
    }
}

int main(){
    for(int i = 1;i <= 20;i++)
        for(int j = 1;j <= 5;j++)
            te[i][j] = (i - 1) * 5 + j;
    for(int i = 1;i <= 20;i++) remains[i] = 5;
    cin >> n;
    for(int k = 0;k < n;k++){
        if(k) cout << endl;
        int nums;
        cin >> nums;
        int flag = 0;
        for(int i = 1;i <= 20;i++){
            if(remains[i] >= nums){
                flag = 1;
                remains[i] -= nums;
                add_flag(i,nums);
                nums = 0;
            }
            if(flag) break;
        }
        if(!flag){
            for(int i = 1;i <= 20 && nums;i++){
                if(nums >= remains[i]){
                    nums -= remains[i];
                    add_flag(i,remains[i]);
                    remains[i] = 0;
                }else{
                    remains[i] -= nums;
                    add_flag(i,nums);
                    nums = 0;
                }
            }
        }
    }

    return 0;
}