Please choose the correct solution to the question: To iron on the patch to the sleeve,

Solution1: put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 seconds.

Solution2: put the sleeve with the placed patch on the ironing board, and press the iron set to high gently on the patch for 30 minutes.

Answer format: solution1/solution2
Answer: solution1