C3213322333133313113313221211113313331333132313332331211223312233231   >>    C321332233313331311331322121111331333133313231333233121122331223323   <<    C3213322333133313113313221211113313331333132313332331211223312233233   >>      C3213322333133313113313221211113313331333132313332331211223312233232   >>