C2123132222131133131121131211113313231322331333132323213331311331323113122131   >>    C212313222213113313112113121111331323132233133313232321333131133132311312213   <<    C2123132222131133131121131211113313231322331333132323213331311331323113122133   >>      C2123132222131133131121131211113313231322331333132323213331311331323113122132   >>