C31231211111133131211113313331333133313332233133313132313232233131121131   >>    C3123121111113313121111331333133313331333223313331313231323223313112113   <<    C31231211111133131211113313331333133313332233133313132313232233131121133   >>      C31231211111133131211113313331333133313332233133313132313232233131121132   >>