C111123313121111121111331333133313331323232133313331313331313211121   >>    C11112331312111112111133133313331333132323213331333131333131321112   <<    C111123313121111121111331333133313331323232133313331313331313211123   >>      C111123313121111121111331333133313331323232133313331313331313211122   >>