C121212123112323223313132322331323331323331322331313231323133313121   >>    C12121212311232322331313232233132333132333132233131323132313331312   <<    C121212123112323223313132322331323331323331322331313231323133313123   >>      C121212123112323223313132322331323331323331322331313231323133313122   >>