D131333132213233313233313131133132333132313223313231323132321111   >>    D13133313221323331323331313113313233313231322331323132313232111   <<    D131333132213233313233313131133132333132313223313231323132321113   >>      D131333132213233313233313131133132333132313223313231323132321112   >>