C2212123313132322331323331323113313233313331323133313113313123311   >>    C221212331313232233132333132311331323331333132313331311331312331   <<    C2212123313132322331323331323113313233313331323133313113313123313   >>      C2212123313132322331323331323113313233313331323133313113313123312   >>