C11112331333132311331333132313331323133313132313231323132323323111   >>    C1111233133313231133133313231333132313331313231323132313232332311   <<    C11112331333132311331333132313331323133313132313231323132323323113   >>      C11112331333132311331333132313331323133313132313231323132323323112   >>