C11112331312111112111133133313331333133313331333133313331333131133132112131   >>    C1111233131211111211113313331333133313331333133313331333133313113313211213   <<    C11112331312111112111133133313331333133313331333133313331333131133132112133   >>      C11112331312111112111133133313331333133313331333133313331333131133132112132   >>