1. din unitate in unitate: 7993 / 7994 / 7995/ si asa mai departe pana la 8011
2. din 2 in 2: 7993 / 7995 / 7997 /7999/ 8001 / 8003 / 8005 / 8007 / 8009 / 8011
3. din 3 in 3: 7993 / 7996/ 7999 / 8002/ 8005/ 8008/ 8011
4. din 5 in 5: 20010 / 20005 / 20000 / 19995 / 19990/ 19985 /19980 /19975 / 19970/ 19965 / 19960 /19955
5. din 10 in 10: 20010/ 20000/ 19990 / 19980/ 19970/ 19960