D131333132213233313233313131133132333132313223313233313232223321   >>    D13133313221323331323331313113313233313231322331323331323222332   <<    D131333132213233313233313131133132333132313223313233313232223323   >>      D131333132213233313233313131133132333132313223313233313232223322   >>