C1111233131211111211113313331333133313331333133313331333133313113322122331   >>    C111123313121111121111331333133313331333133313331333133313331311332212233   <<    C1111233131211111211113313331333133313331333133313331333133313113322122333   >>      C1111233131211111211113313331333133313331333133313331333133313113322122332   >>