She saw right away that the additional tiles that you had to add around the edges was always going to grow by two, so she was very confident about how she made those numbers there.
Nii et ta nägi koheselt, et lisatavate tükkide kogus äärte ümber kasvas alati kahe võrra. Nii et ta oli nende numbrite märkimisel väga enesekindel.