C111123313331323113313331333132313331311331312111133133313121331111   >>    C11112331333132311331333133313231333131133131211113313331312133111   <<    C111123313331323113313331333132313331311331312111133133313121331113   >>      C111123313331323113313331333132313331311331312111133133313121331112   >>