C1111133313331323223313331333133313331333131211113313331211111211111121131221   >>    C111113331333132322331333133313331333133313121111331333121111121111112113122   <<    C1111133313331323223313331333133313331333131211113313331211111211111121131223   >>      C1111133313331323223313331333133313331333131211113313331211111211111121131222   >>