C11112331333132311331333133313331333132312323133313123231311131   >>    C1111233133313231133133313331333133313231232313331312323131113   <<    C11112331333132311331333133313331333132312323133313123231311133   >>      C11112331333132311331333133313331333132312323133313123231311132   >>