C3213322333133313113313221211113313331333132313231333131212132333123112323221   >>    C321332233313331311331322121111331333133313231323133313121213233312311232322   <<    C3213322333133313113313221211113313331333132313231333131212132333123112323223   >>      C3213322333133313113313221211113313331333132313231333131212132333123112323222   >>