C111123313331323113313331333132313331333133313223313331323131121111   >>    C11112331333132311331333133313231333133313331322331333132313112111   <<    C111123313331323113313331333132313331333133313223313331323131121113   >>      C111123313331323113313331333132313331333133313223313331323131121112   >>