Miss Dee (wearing a blue top and gray skirt) is joined by her friend Hazel Allure (wearing a purple top and black skirt) to trample two male slaves. The girls trample the chest and neck of each male slave. Hazel decides to stand on each slave's neck at the same time with each of her feet. How long can each male slave last before going out?

Miss Dee (wearing a blue top and gray skirt) is joined by her friend Hazel Allure (wearing a purple top and black skirt) to trample two male slaves. The girls trample the chest and neck of each male slave. Hazel decides to stand on each slave's neck at the same time with each of her feet. How long can each male slave last before going out?