C121212123112323223313132322331323331323131333131133132333132322123231   >>    C12121212311232322331313232233132333132313133313113313233313232212323   <<    C121212123112323223313132322331323331323131333131133132333132322123233   >>      C121212123112323223313132322331323331323131333131133132333132322123232   >>