C312312111133131212111133133313331323133313233121111113313331332132232321   >>    C31231211113313121211113313331333132313331323312111111331333133213223232   <<    C312312111133131212111133133313331323133313233121111113313331332132232323   >>      C312312111133131212111133133313331323133313233121111113313331332132232322   >>