C2111111331313232233132333132311331323331333132313331323123123121   >>    C211111133131323223313233313231133132333133313231333132312312312   <<    C2111111331313232233132333132311331323331333132313331323123123123   >>      C2111111331313232233132333132311331323331333132313331323123123122   >>