مناسك حج - مكارم شيرازى، ناصر - الصفحة ١١٣ - Obligatory acts of Tawaf
the upper levels of Masjid al- Haraam is not free of problem in other than the cases of necessity.
Article ١٩١- It is not necessary that left shoulder always be parallel to Kaba and it is enough if the pilgrim circumambulates normally, even if sometimes he/ she faces Kaba and then continues the round it has no problem, and it is not necessary to perform the thing which commons do that left shoulder should always be parallel to Kaba( even when they reach Hijr Ismael ), this act has no necessity of performing, and even if it vilifies the religion their Tawaf has problem, an it is better that they have the presence of heart) getting rid of all secular problem and only think of Allah (and pray to Allah and circumambulate Kaba like other Muslims instead of these unnecessary observations about the left shoulder to be always parallel to Kaba.