C111123313121111121111331333133313331323132333133313331323221232212321121   >>    C11112331312111112111133133313331333132313233313331333132322123221232112   <<    C111123313121111121111331333133313331323132333133313331323221232212321123   >>      C111123313121111121111331333133313331323132333133313331323221232212321122   >>