C3213322333133313113313221211113313331333132313231333131212132333121231221   >>    C321332233313331311331322121111331333133313231323133313121213233312123122   <<    C3213322333133313113313221211113313331333132313231333131212132333121231223   >>      C3213322333133313113313221211113313331333132313231333131212132333121231222   >>