C31231211113313121211113313331323133313231133133313331322112131   >>    C3123121111331312121111331333132313331323113313331333132211213   <<    C31231211113313121211113313331323133313231133133313331322112133   >>      C31231211113313121211113313331323133313231133133313331322112132   >>