D231313331313331313331313331323113313233313231111331323133313232321311   >>    D23131333131333131333131333132311331323331323111133132313331323232131   <<    D231313331313331313331313331323113313233313231111331323133313232321313   >>      D231313331313331313331313331323113313233313231111331323133313232321312   >>