using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Numerics;
using System.Text;
using System.Threading.Tasks;

namespace AtCorder
{
	public class Program
	{
		static void Main(string[] args)
		{
			var cin = new Scanner2();
			int h = cin.Int();
			int w = cin.Int();
			var a = new int[h, w];
			var b = new int[h, w];
			for (int i = 0; i < h; i++) {
				for (int j = 0; j < w; j++) {
					a[i, j] = cin.Int();
				}
			}

			for (int i = 0; i < h; i++) {
				for (int j = 0; j < w; j++) {
					b[i, j] = cin.Int();
				}
			}

			for (int i = 0; i < h; i++) {
				for (int j = 0; j < w; j++) {

				}
			}

			int max = (h + w) * 80 + 1;
			int offset = (h + w) * 40;
			bool[,,] enable = new bool[h, w, max];
			enable[0, 0, a[0, 0] - b[0, 0] + offset] = true;
			enable[0, 0, b[0, 0] - a[0, 0] + offset] = true;
			for (int i = 0; i < h; i++) {
				for (int j = 0; j < w; j++) {
					int dif = Math.Abs(a[i, j] - b[i, j]);
					if (i != 0) {
						for (int k = 0; k < max; k++) {
							if (enable[i - 1, j, k]) {
								if (k + dif < max) {
									enable[i, j, k + dif] = true;
								}

								if (k - dif >= 0) {
									enable[i, j, k - dif] = true;
								}
							}
						}
					}

					if (j != 0) {
						for (int k = 0; k < max; k++) {
							if (enable[i, j - 1, k]) {
								if (k + dif < max) {
									enable[i, j, k + dif] = true;
								}

								if (k - dif >= 0) {
									enable[i, j, k - dif] = true;
								}
							}
						}
					}
				}
			}

			long ans = long.MaxValue;
			for (int k = 0; k < max; k++) {
				if (enable[h - 1, w - 1, k]) {
					int val = Math.Abs(k - offset);
					ans = Math.Min(ans, val);
				}
			}

			Console.WriteLine(ans);
		}
	}

	public class Scanner2
	{
		private readonly char[] delimiter_ = new char[] { ' ' };
		private readonly string filePath_;
		private string[] buf_;
		private int index_;
		Func<string> reader_;

		public Scanner2(string file = "")
		{
			if (string.IsNullOrWhiteSpace(file)) {
				reader_ = Console.ReadLine;
			} else {
				filePath_ = file;
				var fs = new StreamReader(file);
				reader_ = fs.ReadLine;
			}
			buf_ = new string[0];
			index_ = 0;
		}

		public string Next()
		{
			if (index_ < buf_.Length) {
				return buf_[index_++];
			}

			string st = reader_();
			while (st == "") {
				st = reader_();
			}

			buf_ = st.Split(delimiter_, StringSplitOptions.RemoveEmptyEntries);
			if (buf_.Length == 0) {
				return Next();
			}

			index_ = 0;
			return buf_[index_++];
		}

		public int Int() => int.Parse(Next());
		public long Long() => long.Parse(Next());
		public double Double() => double.Parse(Next());

		public int[] ArrayInt(int N, int add = 0)
		{
			int[] Array = new int[N];
			for (int i = 0; i < N; i++) {
				Array[i] = Int() + add;
			}
			return Array;
		}

		public long[] ArrayLong(int N, long add = 0)
		{
			long[] Array = new long[N];
			for (int i = 0; i < N; i++) {
				Array[i] = Long() + add;
			}
			return Array;
		}

		public double[] ArrayDouble(int N, double add = 0)
		{
			double[] Array = new double[N];
			for (int i = 0; i < N; i++) {
				Array[i] = Double() + add;
			}
			return Array;
		}

		public void Save(string text)
		{
			if (string.IsNullOrWhiteSpace(filePath_)) {
				return;
			}

			File.WriteAllText(filePath_ + "_output.txt", text);
		}
	}
}

Measured memory_bytes: 90848