disjoint lists from 1 list.. looking for generic solution(N sublists)

var initialList = new List<int>();

            var X = 33;
            int N = 5;

            for (int i = 1; i < X; i++)
            {
                initialList.Add(i);
            }

            LinkedList<List<int>> sublists = new LinkedList<List<int>>();

            if (N == 1)
            {
                sublists.AddLast(new List<int>(initialList));
                //just one option
                return;
            }

            for (int i = 0; i < N - 1; i++)
            {
                var newList = new List<int>();
                newList.Add(initialList.ElementAt(i));
                sublists.AddLast(newList);
            }

            var lastList = new List<int>();
            sublists.AddLast(lastList);

            lastList.AddRange(initialList.GetRange(N - 1, initialList.Count - N + 1));

            var removingFrom = sublists.Last;
            var removingFromList = removingFrom.Value;

            var addingTo = removingFrom.Previous;
            var addingToList = addingTo.Value;

            var skipFirstCycle = false;

            while (skipFirstCycle || removingFromList.Count > 1)
            {
                if (!skipFirstCycle)
                {
                    do
                    {
                        //current step is now temporary stored in sublists variable
                        //need to be used here, or saved for later

                        var elem = removingFromList.First();
                        removingFromList.Remove(elem);
                        addingToList.Add(elem);
                    } while (removingFromList.Count > 1);
                }
        
               //current step is now temporary stored in sublists variable
               //need to be used here, or saved for later

                if (N == 2)
                {
                    return;
                }

                //add first to previous
                if (addingToList.Count > 1)
                {
                    if (addingTo.Previous != null)
                    {
                        var firstElem = addingToList.First();
                        addingToList.Remove(firstElem);
                        addingTo.Previous.Value.Add(firstElem);
                    }
                }

                //leave second here
                //merge rest and split

                var mergedLeftovers = addingToList.GetRange(1, addingToList.Count - 1);
                addingToList.RemoveRange(1, addingToList.Count - 1);

                var level = removingFrom;
             
                do
                {
                    var first = level.Value.First();
                    mergedLeftovers.Add(first);
                    level.Value.Remove(first);

                    if (level.Next != null)
                    {
                        var leaveHere = mergedLeftovers.First();
                        mergedLeftovers.Remove(leaveHere);
                        level.Value.Add(leaveHere);
                    }
                    else
                    {
                        level.Value.AddRange(mergedLeftovers);
                    }

                    level = level.Next;
                } while (level != null);
 
                if (skipFirstCycle)
                {
                    skipFirstCycle = false;

                    if (addingTo.Previous != null) {
                        removingFrom = sublists.Last;
                        removingFromList = removingFrom.Value;
                        addingTo = removingFrom.Previous;
                        addingToList = addingTo.Value;
                    }  
                }

                if (removingFromList.Count == 1)
                {
                    do
                    {
                        if (addingTo.Previous == null)
                        {
                            break;
                        }

                        skipFirstCycle = true;
                        removingFrom = removingFrom.Previous;
                        removingFromList = removingFrom.Value;
                        addingTo = addingTo.Previous;
                        addingToList = addingTo.Value;
                    } while (addingToList.Count == 1);
                }
            }