void solve() {
    int n;
    cin>>n;

    vector<int> occ(9),v(n);
    for (int i=0;i<n;i++) {
        cin>>v[i]; occ[v[i]]=i;
    }

    int i=0, ans=0;
    while (i<n) {
        int k=occ[v[i]];

        cout<<v[i]<<" ";
        while (i++<k) cout<<v[i]<<" ",k=max(k,occ[v[i]]);
        cout<<endl;
        
        ans++;
    }
    cout<<ans<<endl;
}