C11112331312111112111133133313331333133313331333133313331333132322123112111   >>    C1111233131211111211113313331333133313331333133313331333133313232212311211   <<    C11112331312111112111133133313331333133313331333133313331333132322123112113   >>      C11112331312111112111133133313331333133313331333133313331333132322123112112   >>