C111112111133131121133133313112113313331333133313331333121111331333132322111   >>    C11111211113313112113313331311211331333133313331333133312111133133313232211   <<    C111112111133131121133133313112113313331333133313331333121111331333132322113   >>      C111112111133131121133133313112113313331333133313331333121111331333132322112   >>