previous value is empty if the cell does not exist
previous value is empty if the cell does not exist

HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,HelioGuilherme66/RIDE,robotframework/RIDE,fingeronthebutton/RIDE,fingeronthebutton/RIDE,robotframework/RIDE,caio2k/RIDE,robotframework/RIDE,HelioGuilherme66/RIDE,fingeronthebutton/RIDE,caio2k/RIDE,robotframework/RIDE,caio2k/RIDE