sparseness in czech sparseness in german sparseness in danish sparseness in spanish sparseness in french sparseness in italian sparseness in norwegian sparseness in russian sparseness in swedish sparseness in albanian sparseness in bulgarian sparseness in belarusian sparseness in estonian sparseness in finnish sparseness in greek sparseness in croatian sparseness in hungarian sparseness in lithuanian sparseness in portuguese sparseness in romanian sparseness in ukrainian sparseness in polish