C121212123112323223313132322331323133313232211331323132333132311331111   >>    C12121212311232322331313232233132313331323221133132313233313231133111   <<    C121212123112323223313132322331323133313232211331323132333132311331113   >>      C121212123112323223313132322331323133313232211331323132333132311331112   >>