C3121113331313231323132333131313231323131323223313233313232223323132323221   >>    C312111333131323132313233313131323132313132322331323331323222332313232322   <<    C3121113331313231323132333131313231323131323223313233313232223323132323223   >>      C3121113331313231323132333131313231323131323223313233313232223323132323222   >>