Hello, teachers! <br/><br/>Would you please check if these sentences are correct and natural? <br/><br/>1-1. His hair is parted down the middle. <br/>1-2. His hair is parted down in the middle. <br/>1-3. He wears his hair parted in the middle. <br/><br/>2-1. His hair is parted down the left side <br/>2-2. His hair is parted down on the left side <br/>2-3. He wears his hair parted on the left side. <br/><br/>Thank you very much. <br/>Peace!