using System;
using System.ComponentModel;
using System.Linq;
class MainClass
{
static void Main()
{
var query = from left in Enumerable.Range(1, 4)
from right in Enumerable.Range(11, left)
select new { Left = left, Right = right };
foreach (var pair in query)
{
Console.WriteLine("Left={0}; Right={1}", pair.Left, pair.Right);
}
}
}