C111123313121111121111331333133313331333133313331122112111133133313233111   >>    C11112331312111112111133133313331333133313331333112211211113313331323311   <<    C111123313121111121111331333133313331333133313331122112111133133313233113   >>      C111123313121111121111331333133313331333133313331122112111133133313233112   >>