#include <bits/stdc++.h>
typedef long long ll;
typedef long double ld;
#define rep(i,n) for(ll i=0;i<(n);i++)
#define repr(i,n) for(ll i=(n-1);i>=0;i--)
#define all(x) x.begin(),x.end()
#define br cout << "\n";
using namespace std;
const long long INF = 1e10;
const long long MOD = 1e9+7;
using Graph = vector<vector<ll>>;
using pll = pair<ll, ll>;
template<class T> inline bool chmin(T &a, T b) { if(a > b){ a = b; return true;} return false;}
template<class T> inline bool chmax(T &a, T b) { if(a < b){ a = b; return true;} return false;}

// 0 false, 1 true 
// string to int : -48
// a to A : -32
// ceil(a)  1.2->2.0
// c++17	g++ -std=c++17 a.cpp

//https://atcoder.jp/contests/abc172/submissions/14765570
//20200724
template<long long mod>
struct ModInt
{
    long long x;
    ModInt () : x(0) {}
    ModInt (long long x) : x(x >= 0 ? x % mod : (mod - -x % mod) % mod) {}
    ModInt &operator += (const ModInt &p){
        if ((x += p.x) >= mod) x -= mod;
        return *this;
    }
    ModInt &operator -= (const ModInt &p) {
        if ((x += mod - p.x) >= mod) x -= mod;
        return *this;
    }
    ModInt &operator *= (const ModInt &p) {
        x = (long long) x * p.x % mod;
        return *this;
    }
    ModInt &operator /= (const ModInt &p) {
        *this *= p.inverse();
        return *this;
    }
    ModInt &operator ^= (long long p) {
        ModInt res = 1;
        for (; p; p >>= 1) {
            if (p & 1) res *= *this;
            *this *= *this;
        }
        return *this = res;
    }
    ModInt operator - () const { return ModInt(-x); }
    ModInt operator + (const ModInt &p) const { return ModInt(*this) += p; }
    ModInt operator - (const ModInt &p) const { return ModInt(*this) -= p; }
    ModInt operator * (const ModInt &p) const { return ModInt(*this) *= p; }
    ModInt operator / (const ModInt &p) const { return ModInt(*this) /= p; }
    ModInt operator ^ (long long p) const { return ModInt(*this) ^= p; }
    bool operator == (const ModInt &p) const { return x == p.x; }
    bool operator != (const ModInt &p) const { return x != p.x; }
    explicit operator long long() const { return x; }
    ModInt &operator = (const long long p) { x = p; return *this;}
    ModInt inverse() const {
        long long a = x, b = mod, u = 1, v = 0, t;
        while (b > 0) {
            t = a / b;
            a -= t * b;
            std::swap(a, b);
            u -= t * v;
            std::swap(u, v);
        }
        return ModInt(u);
    }
    friend std::ostream & operator << (std::ostream &stream, const ModInt<mod> &p) {
        return stream << p.x;
    }
    friend std::istream & operator >> (std::istream &stream, ModInt<mod> &a) {
        long long x;
        stream >> x;
        a = ModInt<mod>(x);
        return stream;
    }
};

template<long long mod> struct MComb {
    using mint = ModInt<mod>;
    std::vector<mint> fact;
    std::vector<mint> inv;
    MComb (long long n) { // O(n + log(mod))
        fact = std::vector<mint>(n + 1, 1);
        for (long long i = 1; i <= n; i++) fact[i] = fact[i - 1] * mint(i);
        inv.resize(n + 1);
        inv[n] = fact[n] ^ (mod - 2);
        for (long long i = n; i--; ) inv[i] = inv[i + 1] * mint(i + 1);
    }
    mint ncr(long long n, long r) {
        return fact[n] * inv[r] * inv[n - r];
    }
    mint npr(long n, long r) {
        return fact[n] * inv[n - r];
    }
    mint nhr(long n, long r) {
        assert(n + r - 1 < (long long) fact.size());
        return ncr(n + r - 1, r);
    }
};

template<long long mod> struct MPow {
    using mint = ModInt<mod>;
    mint modpow(mint a, long long n) {
        mint res = 1;
            while(n > 0){
            if(n & 1){
                res = res * a;
            }
            a = a * a;
            n >>= 1;
        }
        return res;
    }
};

typedef ModInt<1000000007> mint;
MComb<1000000007> com(510000);
MPow<1000000007> mpow;

int main() {
    std::cout << std::fixed << std::setprecision(15);
    ll h, w, k; cin >> h >> w >> k;

    vector<vector<mint>> dp(h+1, vector<mint>(w));
    dp[0][0] = 1;
    /*
    if(w == 1){
        if(k == 1){
            cout << 1 << endl;
        }else{
            cout << 0 << endl;
        }
        return 0;
    }
    */

    for(ll i = 0; i < h; i++){
        for(ll j = 0; j < w; j++){
            ll cnt = 0;
            for (int bit = 0; bit < (1<<w-1); ++bit) {
                vector<ll> vec;
                
                bool flag = true;
                for (int k = 0; k < w-1; ++k) {
                    //if (bit & (1<<i)) {
                    if(bit >> k & 1){
                        if(vec.size() == 0){
                            vec.push_back(k);
                        }else{
                            if(k - vec[vec.size()-1] == 1){
                                flag = false;
                                break;
                            }else{
                                vec.push_back(k);
                            }
                        }
                    }
                }

                if(flag){
                    bool lflag = true, rflag = true;
                    rep(k, vec.size()){
                        if(vec[k] == j - 1){
                            dp[i+1][j] += dp[i][j-1];
                            lflag = false;
                        }
                        if(vec[k] == j){
                            dp[i+1][j] += dp[i][j+1];
                            rflag = false;
                        }
                    }
                    if(lflag && rflag){
                        dp[i+1][j] += dp[i][j];
                    }
                    cnt++;
                }
            }
        }

    }

    cout << dp[h][k-1] << endl;
    

}

Measured memory_bytes: 10964