using System;
using System.Linq;
using System.Collections.Generic;
 
public class Test
{
	public static void Main()
	{
		List<int> a = new List<int>();
		List<int> b = new List<int>();
 
		for ( int i = 3; i <= 6; ++i )
			a.Add(i);
		for ( int i = 5; i <= 8; ++i )
			b.Add(i);
 
		IList<int> a_without_b, b_without_a;
		a_without_b = a.Except(b).ToList();
		b_without_a = b.Except(a).ToList();
 
		foreach ( IList<int> l in new IList<int>[]{a_without_b,b_without_a})
			Console.WriteLine(string.Join(",", l.Select(x=>x.ToString()).ToArray()));
	}
}

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