C111123313121111121111331333133313331323232133313331333133112121111132313331   >>    C11112331312111112111133133313331333132323213331333133313311212111113231333   <<    C111123313121111121111331333133313331323232133313331333133112121111132313333   >>      C111123313121111121111331333133313331323232133313331333133112121111132313332   >>