C111123313121111121111331333133313331323232133313331323133112213222321323131   >>    C11112331312111112111133133313331333132323213331333132313311221322232132313   <<    C111123313121111121111331333133313331323232133313331323133112213222321323133   >>      C111123313121111121111331333133313331323232133313331323133112213222321323132   >>