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\begin{verbatim}
#include<iostream.h>
#include<LINK/basic/MSet.h>
#include<LINK/basic/Sequence.h>

main()
{
        MSet<int> mset1;
        Sequence<int> seq; 
        seq.insert(1);
        seq.insert(2);
        seq.append(3);
        cout << seq << endl;

        for (int i=0; i<3; i++) {
                mset1.insert(i);
        }
        Sequence<int> seq1(mset1); 

        cout << mset1 << endl;
        cout << seq1 << endl;
        if (mset1 == seq1)
                cout << "(" << mset1 <<" == " << seq1 << ")" << endl;
        seq1.append(-2);
        if (mset1 <= seq1)
                cout << "(" << mset1 <<" <= " << seq1 << ")" << endl;
}
\end{verbatim}

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\begin{verbatim} 
<2 1 3>
{0 1 2}
<0 1 2>
({0 1 2} == <0 1 2>)
({0 1 2} <= <0 1 2 -2>)
\end{verbatim}

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