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public class Arrow {

    public static void main(String[] args) {
        // TODO Auto-generated method stub
        int [][] arrow = new int [11][];
        int i,j,t=(arrow.length)/2+1;
        for (i=0;i<t;i++)
        {
            arrow[i]= new int [i+1];
        }
        int k=t;
        for(i=6;i<arrow.length;i++)
        {
            arrow[i]= new int [k-1];
            k--;
        }
        for(i=0;i<arrow.length;i++)
        {
            for(j=0;j<arrow[i].length;j++)
                {
                    System.out.print(arrow[i][j]);
                }
            System.out.println();
        }

    }

}