using System;
using System.Text;
using System.Linq;
using System.Collections;
using System.Collections.Generic;
using static System.Console;
using static System.Math;

namespace AtCoder
{
    class Program
    {
        static void Main(string[] args)
        {
            new Program().Solve(new ConsoleInput(Console.In, ' '));
        }

        public void Solve(ConsoleInput cin)
        {
            int h = cin.ReadInt;
            int w = cin.ReadInt;
            int k = cin.ReadInt - 1;

            long[,] ans = new long[h + 1, w];
            long[] values = new long[] { 0, 1, 2, 3, 5, 8, 13, 21 };
            long mod = 1000000007;

            ans[0, 0] = 1;

            for (int i = 1; i <= h; i++)
            {
                for (int j = 0; j < w; j++)
                {
                    long temp = ans[i - 1, j];
                    // 真上
                    {
                        if (j > 1)
                        {
                            temp *= values[j];
                            temp %= mod;
                        }
                        if (w - j > 1)
                        {
                            temp *= values[w - j - 1];
                            temp %= mod;
                        }

                        ans[i, j] = temp;
                    }

                    // 左
                    if (j > 0)
                    {
                        temp = ans[i - 1, j - 1];
                        if (j > 2)
                        {
                            temp *= values[j - 1];
                            temp %= mod;
                        }
                        if (w - j > 1)
                        {
                            temp *= values[w - j - 1];
                            temp %= mod;
                        }

                        ans[i, j] += temp;
                        ans[i, j] %= mod;
                    }

                    // 右
                    if (w - j - 1 > 0)
                    {
                        temp = ans[i - 1, j + 1];
                        if (j > 1)
                        {
                            temp *= values[j];
                            temp %= mod;
                        }
                        if (w - j > 3)
                        {
                            temp *= values[w - j - 2];
                            temp %= mod;
                        }

                        ans[i, j] += temp;
                        ans[i, j] %= mod;
                    }
                }
            }

            Console.WriteLine(ans[h, k]);
        }
    }

    public class ConsoleInput
    {
        private readonly System.IO.TextReader _stream;
        private char _separator = ' ';
        private Queue<string> inputStream;

        public ConsoleInput(System.IO.TextReader stream, char separator = ' ')
        {
            this._separator = separator;
            this._stream = stream;
            inputStream = new Queue<string>();
        }

        public string Read
        {
            get
            {
                if (inputStream.Count != 0) return inputStream.Dequeue();
                string[] tmp = _stream.ReadLine().Split(_separator);
                for (int i = 0; i < tmp.Length; ++i)
                    inputStream.Enqueue(tmp[i]);
                return inputStream.Dequeue();
            }
        }

        public string ReadLine { get { return _stream.ReadLine(); } }
        public int ReadInt { get { return int.Parse(Read); } }
        public long ReadLong { get { return long.Parse(Read); } }
        public double ReadDouble { get { return double.Parse(Read); } }
        public string[] ReadStrArray(long N) { var ret = new string[N]; for (long i = 0; i < N; ++i) ret[i] = Read; return ret; }
        public int[] ReadIntArray(long N) { var ret = new int[N]; for (long i = 0; i < N; ++i) ret[i] = ReadInt; return ret; }
        public long[] ReadLongArray(long N) { var ret = new long[N]; for (long i = 0; i < N; ++i) ret[i] = ReadLong; return ret; }
    }
}


Measured memory_bytes: 11220