C222133313331333131123313231333133313331333133313331211113313113311   >>    C22213331333133313112331323133313331333133313331333121111331311331   <<    C222133313331333131123313231333133313331333133313331211113313113313   >>      C222133313331333131123313231333133313331333133313331211113313113312   >>