C3213322333133313113313221211113313331333132313332331211221311212121   >>    C321332233313331311331322121111331333133313231333233121122131121212   <<    C3213322333133313113313221211113313331333132313332331211221311212123   >>      C3213322333133313113313221211113313331333132313332331211221311212122   >>