Please choose the correct solution to the question: To peel a boiled egg by rolling,

Solution1: crack each end of a boiled egg, roll the egg on the counter while applying gentle pressure, submerge the egg in warm water, and use your toes to peel off the shell, starting at the large end.

Solution2: crack each end of a boiled egg, roll the egg on the counter while applying gentle pressure, submerge the egg in warm water, and use your thumbs to peel off the shell, starting at the large end.

Answer format: solution1/solution2