D33132233232132333132313111123313232233133313232233132313331333132212231   >>    D3313223323213233313231311112331323223313331323223313231333133313221223   <<    D33132233232132333132313111123313232233133313232233132313331333132212233   >>      D33132233232132333132313111123313232233133313232233132313331333132212232   >>