C121212123112323223313132322331323132333132322231323132322123231   >>    C12121212311232322331313232233132313233313232223132313232212323   <<    C121212123112323223313132322331323132333132322231323132322123233   >>      C121212123112323223313132322331323132333132322231323132322123232   >>