C3213322333133313113313221211113313331333132322333232221121133223121   >>    C321332233313331311331322121111331333133313232233323222112113322312   <<    C3213322333133313113313221211113313331333132322333232221121133223123   >>      C3213322333133313113313221211113313331333132322333232221121133223122   >>