C2212123313132322331323331323113313233313331311331323131133131211   >>    C221212331313232233132333132311331323331333131133132313113313121   <<    C2212123313132322331323331323113313233313331311331323131133131213   >>      C2212123313132322331323331323113313233313331311331323131133131212   >>