C121212123112323223313132322331323331323132312113313231323133313231   >>    C12121212311232322331313232233132333132313231211331323132313331323   <<    C121212123112323223313132322331323331323132312113313231323133313233   >>      C121212123112323223313132322331323331323132312113313231323133313232   >>