C12121321333132233132323323132333132333132323213232313231323132313232233131   >>    C1212132133313223313232332313233313233313232321323231323132313231323223313   <<    C12121321333132233132323323132333132333132323213232313231323132313232233133   >>      C12121321333132233132323323132333132333132323213232313231323132313232233132   >>