func_code_string: #include <bits/stdc++.h>   using namespace std;   bool deb = false;   int i;   const int N = 100011;   int g[N];   int ans1[N], ans2[N];   int main() {     int i, j, n, k;     scanf( %d , &n), scanf( %d , &k);     int a, b, c, d;     scanf( %d , &a), scanf( %d , &b), scanf( %d , &c), scanf( %d , &d);     if (k < n + 1 || n == 4) {       printf( %d n , -1);       return 0;     }     g[1] = a;     g[2] = c;     g[n] = b, g[n - 1] = d;     j = 3;     for (i = 1; i < n + 1; ++i) {       if (i == a || i == b || i == c || i == d) continue;       if (g[j] == 0) g[j] = i, j++;     }     for (i = 1; i < n + 1; ++i) printf( %d  , g[i]);     printf(  n );     printf( %d  , g[2]), printf( %d  , g[1]);     for (i = 3; i < n - 1; ++i) {       printf( %d  , g[i]);     }     printf( %d  , g[n]), printf( %d n , g[n - 1]);     return 0;   }   