D12121212213231323132323323132322331323132322133313123231323111   >>    D1212121221323132313232332313232233132313232213331312323132311   <<    D12121212213231323132323323132322331323132322133313123231323113   >>      D12121212213231323132323323132322331323132322133313123231323112   >>