using System;
public class Test
{
public static void Main()
{
for (int q=0, d=5; q<10; q+=d)
{
for (int b=0; b<10; ++b)
{
for (int a=q; a<q+d; ++a)
Console.Write("{0} * {1} = {2,2} ", a, b, a*b);
Console.WriteLine();
}
Console.WriteLine();
}
}
}
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