C11112331312111112111133133313331333133313331333133313331333131211331322112111   >>    C1111233131211111211113313331333133313331333133313331333133313121133132211211   <<    C11112331312111112111133133313331333133313331333133313331333131211331322112113   >>      C11112331312111112111133133313331333133313331333133313331333131211331322112112   >>