C22212323232133313113313331333132313331323331123231323323232111121131223231   >>    C2221232323213331311331333133313231333132333112323132332323211112113122323   <<    C22212323232133313113313331333132313331323331123231323323232111121131223233   >>      C22212323232133313113313331333132313331323331123231323323232111121131223232   >>