import java.util.*
import kotlin.*

import java.io.InputStream
import java.lang.NumberFormatException
import java.lang.StringBuilder


fun main(args: Array<String>) {
    Program().solve()
}

class Program {
    fun solve() {
        val sc = FastScanner()

        val h = sc.nextInt()
        val w = sc.nextInt()
        val a = Array(h) { Array(w) { sc.nextInt() } }
        val b = Array(h) { Array(w) { sc.nextInt() } }

        val bs = Array(h) { Array(w) { BitSet(160 * 80) } }
        bs[0][0][Math.abs(a[0][0] - b[0][0])] = true
        for (i in 0 until h) {
            for (j in 0 until w) {
                val d = Math.abs(a[i][j] - b[i][j])
                // 上
                if (i - 1 >= 0) {
                    for (k in 0 until 160 * 80) {
                        if (bs[i - 1][j][Math.abs(k - d)]) {
                            bs[i][j][k] = true
                        }
                        if (k + d < 160 * 80 && bs[i - 1][j][k + d]) {
                            bs[i][j][k] = true
                        }
                    }
                }
                if (j - 1 >= 0) {
                    for (k in 0 until 160 * 80) {
                        if (bs[i][j - 1][Math.abs(k - d)]) {
                            bs[i][j][k] = true
                        }
                        if (k + d < 160 * 80 && bs[i][j - 1][k + d]) {
                            bs[i][j][k] = true
                        }
                    }
                }
            }
        }

        for (i in 0 until 160 * 80) {
            if (bs[h - 1][w - 1][i]) {
                println(i)
                return
            }
        }
    }
}


class FastScanner {
    companion object {
        val input: InputStream = System.`in`
        val buffer = ByteArray(1024) { 0 }
        fun isPrintableChar(c: Int): Boolean = c in 33..126
    }

    var ptr = 0
    var buflen = 0
    private fun hasNextByte(): Boolean {
        if (ptr < buflen) {
            return true
        } else {
            ptr = 0
            buflen = input.read(buffer)
            if (buflen <= 0) {
                return false
            }
        }
        return true
    }

    private fun readByte(): Int = if (hasNextByte()) buffer[ptr++].toInt() else -1

    private fun skipUnprintable() {
        while (hasNextByte() && !isPrintableChar(buffer[ptr].toInt())) ptr++
    }

    fun hasNext(): Boolean {
        skipUnprintable()
        return hasNextByte()
    }

    fun next(): String {
        if (!hasNext()) throw NoSuchElementException()
        val sb = StringBuilder()
        var b = readByte()
        while (isPrintableChar(b)) {
            sb.appendCodePoint(b)
            b = readByte()
        }
        return sb.toString()
    }

    fun nextInt(): Int {
        if (!hasNext()) throw NoSuchElementException()
        var n = 0
        var b = readByte()
        // '-' = 45
        val minus = b == 45
        if (minus) {
            b = readByte()
        }

        // '0' = 48 '9' = 57
        if (b !in 48..57) {
            throw NumberFormatException()
        }

        while (true) {
            if (b in 48..57) {
                n *= 10
                n += b - 48
            } else if (b == -1 || !isPrintableChar(b)) {
                return if (minus) -n else n
            } else {
                throw NumberFormatException()
            }
            b = readByte()
        }
    }

    fun nextLong(): Long {
        if (!hasNext()) throw NoSuchElementException()
        var n = 0L
        var b = readByte()
        // '-' = 45
        val minus = b == 45
        if (minus) {
            b = readByte()
        }

        // '0' = 48 '9' = 57
        if (b !in 48..57) {
            throw NumberFormatException()
        }

        while (true) {
            if (b in 48..57) {
                n *= 10
                n += b - 48
            } else if (b == -1 || !isPrintableChar(b)) {
                return if (minus) -n else n
            } else {
                throw NumberFormatException()
            }
            b = readByte()
        }
    }

    fun nextDouble(): Double = next().toDouble()
}


Measured memory_bytes: 42268