C11112331333132311331333133313331333132312323133313331323231323321231   >>    C1111233133313231133133313331333133313231232313331333132323132332123   <<    C11112331333132311331333133313331333132312323133313331323231323321233   >>      C11112331333132311331333133313331333132312323133313331323231323321232   >>