Java pattern

class Main 
{
    public static void main(String[] args) 
    {
        for(int i = 1; i <= 4; i++)
        {
            for(int j = 0; j < 4; j++)
            {
                int start = i*2-1;
                System.out.print(start+j);
            }
            System.out.println("");
        }
    }
}