C22212323232133313113313331333132313331323331123231323323232321233111   >>    C2221232323213331311331333133313231333132333112323132332323232123311   <<    C22212323232133313113313331333132313331323331123231323323232321233113   >>      C22212323232133313113313331333132313331323331123231323323232321233112   >>