D1212132333132233131312323131323132322331323133313113313231333132221   >>    D121213233313223313131232313132313232233132313331311331323133313222   <<    D1212132333132233131312323131323132322331323133313113313231333132223   >>      D1212132333132233131312323131323132322331323133313113313231333132222   >>