C111123313121111121111331333133313331323132333132213331323131221   >>    C11112331312111112111133133313331333132313233313221333132313122   <<    C111123313121111121111331333133313331323132333132213331323131223   >>      C111123313121111121111331333133313331323132333132213331323131222   >>