C31231211111133131211113313331333133313331323223313331333133313332313231323131   >>    C3123121111113313121111331333133313331333132322331333133313331333231323132313   <<    C31231211111133131211113313331333133313331323223313331333133313332313231323133   >>      C31231211111133131211113313331333133313331323223313331333133313332313231323132   >>