C22212323232133313113313331333132313331323331123231323323211221312112311   >>    C2221232323213331311331333133313231333132333112323132332321122131211231   <<    C22212323232133313113313331333132313331323331123231323323211221312112313   >>      C22212323232133313113313331333132313331323331123231323323211221312112312   >>