C111123313331323113313331333133313331323131211113313121111332231   >>    C11112331333132311331333133313331333132313121111331312111133223   <<    C111123313331323113313331333133313331323131211113313121111332233   >>      C111123313331323113313331333133313331323131211113313121111332232   >>