C121212123112323223313132322331323331323331322331323113313231333123231   >>    C12121212311232322331313232233132333132333132233132311331323133312323   <<    C121212123112323223313132322331323331323331322331323113313231333123233   >>      C121212123112323223313132322331323331323331322331323113313231333123232   >>