D12121212121313232233132332313231333132313233313222313231323132323221   >>    D1212121212131323223313233231323133313231323331322231323132313232322   <<    D12121212121313232233132332313231333132313233313222313231323132323223   >>      D12121212121313232233132332313231333132313233313222313231323132323222   >>