C111123313331323113313331333133313331323131211113313331322232132231   >>    C11112331333132311331333133313331333132313121111331333132223213223   <<    C111123313331323113313331333133313331323131211113313331322232132233   >>      C111123313331323113313331333133313331323131211113313331322232132232   >>