C123221122233131333132233131313231323132322331311331323331323132313232311   >>    C12322112223313133313223313131323132313232233131133132333132313231323231   <<    C123221122233131333132233131313231323132322331311331323331323132313232313   >>      C123221122233131333132233131313231323132322331311331323331323132313232312   >>