using System;

using System.Linq;

using System.Collections.Generic;

​

public class Program

{

    public static void Main()

    {

        var initialList = Enumerable.Range(1, 10).Select(i => i.ToString()).ToList();

        var limit = 4;

        var bucketUtility = new BucketUtility();

        var list = bucketUtility.TextWithRowLimit(initialList, limit);

        list.Dump();

    }

}

​

public sealed class BucketUtility

{

    public List<List<string>> TextWithRowLimit(List<string> textRows, int rowLimit)

    {

        var totalRowsCount = textRows.Count;

        var remainder = textRows.Count % rowLimit;

        var totalBucketsNeeded = remainder == 0 ? totalRowsCount / rowLimit : (totalRowsCount / rowLimit) + 1;

        // calculate how many would fill buckets

        var initialFillCount = totalBucketsNeeded * rowLimit;

        // this can be negative

        var remainingToFill = totalRowsCount - initialFillCount;

        // size the buckets correctly

        var buckets = SizeBuckets(totalBucketsNeeded, rowLimit, remainingToFill);

        // assign text values to buckets

        int skip = 0;

        var result = buckets.Select((bucketSize, i) =>

        {

            var result = textRows.Select(t => t).Skip(skip).Take(bucketSize).ToList();

            skip += bucketSize;

            return result;

        }).ToList();

        return result;

    }

​

    private List<int> SizeBuckets(int totalBucketsNeeded, int rowLimit, int remainingToFill)

    {

        var totalBuckets = Enumerable.Range(0, totalBucketsNeeded).ToList();

        var buckets = new List<int>();

        for (int i = 0; i < totalBuckets.Count; i++)

        {

            int bucketSize = rowLimit;

            if (remainingToFill > 0)

            {

                bucketSize++;

                remainingToFill--;

            }

​

            if (remainingToFill < 0)

            {

                bucketSize--;

                remainingToFill++;

            }

​

            buckets.Add(bucketSize);

        }

​

        // order them in correct order

        return buckets.OrderByDescending(i => i).ToList();

    }

}