D1313331322132333132333131311331323133313231123313223313232223221   >>    D131333132213233313233313131133132313331323112331322331323222322   <<    D1313331322132333132333131311331323133313231123313223313232223223   >>      D1313331322132333132333131311331323133313231123313223313232223222   >>