C11112331312111112111133133313331333132323133313331333133313113313331313322211   >>    C1111233131211111211113313331333133313232313331333133313331311331333131332221   <<    C11112331312111112111133133313331333132323133313331333133313113313331313322213   >>      C11112331312111112111133133313331333132323133313331333133313113313331313322212   >>