D12121212121313232233132332313231333132313233313112331323211131   >>    D1212121212131323223313233231323133313231323331311233132321113   <<    D12121212121313232233132332313231333132313233313112331323211133   >>      D12121212121313232233132332313231333132313233313112331323211132   >>