D12121212121313233313123231323223313132322331323223313113313233323131   >>    D1212121212131323331312323132322331313232233132322331311331323332313   <<    D12121212121313233313123231323223313132322331323223313113313233323133   >>      D12121212121313233313123231323223313132322331323223313113313233323132   >>