#include <bits/stdc++.h>
using namespace std;
template <typename T>
inline void read(T &x) {
  char c;
  bool nega = 0;
  while ((!isdigit(c = getchar())) && (c != '-'))
    ;
  if (c == '-') {
    nega = 1;
    c = getchar();
  }
  x = c - 48;
  while (isdigit(c = getchar())) x = x * 10 + c - 48;
  if (nega) x = -x;
}
template <typename T>
inline void writep(T x) {
  if (x > 9) writep(x / 10);
  putchar(x % 10 + 48);
}
template <typename T>
inline void write(T x) {
  if (x < 0) {
    putchar('-');
    x = -x;
  }
  writep(x);
}
template <typename T>
inline void writeln(T x) {
  write(x);
  putchar('\n');
}
long long l;
int n, k, m;
int a[1000000];
pair<int, int> f[1000000];
int sum[1000000];
const int base = 1000000007;
int main() {
  read(n);
  read(l);
  read(k);
  for (int i = 0; i <= n - 1; i++) read(a[i]);
  m = (n * k);
  for (int i = 0; i <= m - 1; i++) f[i] = make_pair(a[i % n], i);
  sort(f, f + m);
  long long ans = 0;
  for (int i = 0; i <= m - 1; i++) {
    int k = f[i].second / n;
    long long p;
    if (f[i].second < n)
      p = 1;
    else
      p = sum[k - 1];
    sum[k] = (sum[k] + p) % base;
    if (f[i].second < l) {
      long long r = (l - f[i].second - 1) / n + 1;
      r %= base;
      ans = (ans + r * p % base) % base;
    }
  }
  writeln(ans);
}
