D12121212121313231311331323112331323223313331333132312323132311   >>    D1212121212131323131133132311233132322331333133313231232313231   <<    D12121212121313231311331323112331323223313331333132312323132313   >>      D12121212121313231311331323112331323223313331333132312323132312   >>