C11112331312111112111133133313331333133313331333133313331333131133132112311321   >>    C1111233131211111211113313331333133313331333133313331333133313113313211231132   <<    C11112331312111112111133133313331333133313331333133313331333131133132112311323   >>      C11112331312111112111133133313331333133313331333133313331333131133132112311322   >>