D12121212121313232233132332313231333132313233313221323132313111   >>    D1212121212131323223313233231323133313231323331322132313231311   <<    D12121212121313232233132332313231333132313233313221323132313113   >>      D12121212121313232233132332313231333132313233313221323132313112   >>