C11112331312111112111133133313331333133112113313331333132332111   >>    C1111233131211111211113313331333133313311211331333133313233211   <<    C11112331312111112111133133313331333133112113313331333132332113   >>      C11112331312111112111133133313331333133112113313331333132332112   >>