C31231211111133131211113313331333133313331323132313331333133313331323233111   >>    C3123121111113313121111331333133313331333132313231333133313331333132323311   <<    C31231211111133131211113313331333133313331323132313331333133313331323233113   >>      C31231211111133131211113313331333133313331323132313331333133313331323233112   >>