C11112331333132311331333133313331333132312323133313231331123111   >>    C1111233133313231133133313331333133313231232313331323133112311   <<    C11112331333132311331333133313331333132312323133313231331123113   >>      C11112331333132311331333133313331333132312323133313231331123112   >>