C111123313121111121111331333133313331333133313331333133313331333133322232131   >>    C11112331312111112111133133313331333133313331333133313331333133313332223213   <<    C111123313121111121111331333133313331333133313331333133313331333133322232133   >>      C111123313121111121111331333133313331333133313331333133313331333133322232132   >>