#include <iostream>
 
using namespace std;
 
int main()
{
    int a, b, size = 12;
    for (a = size/2; a <= size; a = a+2)
    {
        for (b = 1; b < size-a; b = b+2)
            cout<<" ";
        for (b = 1; b <= a; b++)
            cout<<"0";
        for (b = 1; b <= size-a; b++)
            cout<<" ";
        for (b = 1; b <= a-1; b++)
            cout<<"0";
 
        cout<<endl;
    }
 
    for (a = size; a >= 0; a--)
    {
        for (b = a; b < size; b++)
            cout<<" ";
        for (b = 1; b <= ((a * 2) - 1); b++)
            cout<<"0";
 
        cout<<endl;
    }
    return 0;
}
 
 

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