D331212121133132233131323223313233313231313331311331323232132311   >>    D33121212113313223313132322331323331323131333131133132323213231   <<    D331212121133132233131323223313233313231313331311331323232132313   >>      D331212121133132233131323223313233313231313331311331323232132312   >>