C111123313331323113313331333133313121111133112111133132321123221   >>    C11112331333132311331333133313331312111113311211113313232112322   <<    C111123313331323113313331333133313121111133112111133132321123223   >>      C111123313331323113313331333133313121111133112111133132321123222   >>