C3213322333133313113313221211113313331333132313332331211223331221   >>    C321332233313331311331322121111331333133313231333233121122333122   <<    C3213322333133313113313221211113313331333132313332331211223331223   >>      C3213322333133313113313221211113313331333132313332331211223331222   >>