C2212123313132322331323331323113313233313331323133313233313123121   >>    C221212331313232233132333132311331323331333132313331323331312312   <<    C2212123313132322331323331323113313233313331323133313233313123123   >>      C2212123313132322331323331323113313233313331323133313233313123122   >>