C111123313121111121111331333133313331323232133313331333131131333132231132123121   >>    C11112331312111112111133133313331333132323213331333133313113133313223113212312   <<    C111123313121111121111331333133313331323232133313331333131131333132231132123123   >>      C111123313121111121111331333133313331323232133313331333131131333132231132123122   >>