#include <bits/stdc++.h>
 #define ll long long
 #define ull unsigned long long
 #define pi 3.141592654
 #define NUM 1e18
 #define Mod  1'000'000'007
 #define fixed(n) fixed<<setprecision(n)
 #define cin(v) for(auto &i:v) cin >> i ;
 #define cout(v) for(auto &i:v) cout << i  <<" ";
 #define vowel(x) (x=='e'||x=='a'||x=='i'||x=='o'||x=='u')
 #define small(x) (x>=97&&x<=122)
 #define capital(x) (x>=65&&x<=90)
 #define Tolower(s) transform(s.begin(),s.end(),s.begin(),::tolower);
 #define Toupper(s) transform(s.begin(),s.end(),s.begin(),::toupper);
 #define sz(x) (int)(x.size())
 #define all(v) ((v).begin()), ((v).end())
 #define allr(v) ((v).rbegin()), ((v).rend())
 #define updmax(a,b) a=max(a,b)
 #define updmin(a,b) a=min(a,b)
 #define ceil(a,b) ((a/b)+(a%b?1:0))
 /* asc -> 1 2 3 ,des -> 3 2 1 */
 /***********************************************************************************/
 using namespace std;
 void Rofyda_Elghadban(){
  #ifndef ONLINE_JUDGE
    freopen("input.txt", "r", stdin), freopen("output.txt", "w", stdout);
   #endif
    ios_base::sync_with_stdio(false), cin.tie(nullptr), cout.tie(nullptr);
 }

 void solve(){
  ll n,m,k;
  cin>>n>>m>>k;
  vector<ll>v(n),v1;
  cin(v);
  v1=v;
  sort(all(v));
  map<ll,ll>mp;
  ll l=0,r=1e9,ans=-1,counter=1,d=0,idx=0,temp=v[0],res=-1;
  for(int i=0;i<v.size();i++){
    if(i==0){
      mp[v[i]]=counter;
    }else{
      if(v[i]-temp>k){
        counter=1;
        mp[v[i]]=counter;
        temp=v[i];
        d=i-idx;
        ans=max(ans,d);
        idx=i;
      }else{
        counter++;
        mp[v[i]]=counter;
        continue;
      }
    }
  }
  while(l<=r){
    ll mid=l+(r-l)/2;
    if(mid>=ans){
      res=mid;
      r=mid-1;
    }else{
      l=mid+1;
    }
  }
  cout<<res<<"\n";
  v=v1;
  for(int i=0;i<n;i++){
    cout<<mp[v[i]]<<" ";
  }
 }

 int main(){
  Rofyda_Elghadban();
  // int t;
  // cin>>t;
  // while(t--){
  //   solve();
  // }
  solve();
  return 0;
 }