C111123313121111121111331333133313331333133313331333133313331333223111211   >>    C11112331312111112111133133313331333133313331333133313331333133322311121   <<    C111123313121111121111331333133313331333133313331333133313331333223111213   >>      C111123313121111121111331333133313331333133313331333133313331333223111212   >>