D131333132213233313233313131133132333132313223313231313231333132223321   >>    D13133313221323331323331313113313233313231322331323131323133313222332   <<    D131333132213233313233313131133132333132313223313231313231333132223323   >>      D131333132213233313233313131133132333132313223313231313231333132223322   >>