C2212123313132322331323331323113313233313331311331323131331123111   >>    C221212331313232233132333132311331323331333131133132313133112311   <<    C2212123313132322331323331323113313233313331311331323131331123113   >>      C2212123313132322331323331323113313233313331311331323131331123112   >>