C2123132222131133131121131211113313231322331333132323133313231322333131   >>    C212313222213113313112113121111331323132233133313232313331323132233313   <<    C2123132222131133131121131211113313231322331333132323133313231322333133   >>      C2123132222131133131121131211113313231322331333132323133313231322333132   >>