D231313331313331313331313331323113313233313232223133313232212131   >>    D23131333131333131333131333132311331323331323222313331323221213   <<    D231313331313331313331313331323113313233313232223133313232212133   >>      D231313331313331313331313331323113313233313232223133313232212132   >>