It is narrated from Hazrat Hilb (may Allah be pleased with him) that when the Holy Prophet (peace and blessings be upon him) finished the prayer and returned, sometimes he would return from the right side and sometimes from the left side.
Hadith Referenceمسند احمد / مسند الأنصار رضي الله عنهم / 21982
Hadith Gradingحکم دارالسلام:صحيح لغيره، وهذا إسناد ضعيف لجهالة قبيصة