C31231211113313121211113313331323133313231133133313331323222313233213131   >>    C3123121111331312121111331333132313331323113313331333132322231323321313   <<    C31231211113313121211113313331323133313231133133313331323222313233213133   >>      C31231211113313121211113313331323133313231133133313331323222313233213132   >>