C22212323232133313113313331333132313331323331123231323323231233122311   >>    C2221232323213331311331333133313231333132333112323132332323123312231   <<    C22212323232133313113313331333132313331323331123231323323231233122313   >>      C22212323232133313113313331333132313331323331123231323323231233122312   >>