Group 1 used a ruler with centimeter and millimeter units and took two measurements:  one of a yardstick and one of a foot-long string. Albena, the group note taker, rounded off the two measurements to the nearest centimeter and recorded the results for the yard length as `92` cm and for the foot length as `29` cm. Write down the possible values for the unrounded results that the group obtained.  Give all possible unrounded values for each measure as intervals in the form `a\le x