C111123313121111121111331333132313331323112121111331333133112213331322312311   >>    C11112331312111112111133133313231333132311212111133133313311221333132231231   <<    C111123313121111121111331333132313331323112121111331333133112213331322312313   >>      C111123313121111121111331333132313331323112121111331333133112213331322312312   >>