C3213322333133313113313221211113313331333132322333232223121311121   >>    C321332233313331311331322121111331333133313232233323222312131112   <<    C3213322333133313113313221211113313331333132322333232223121311123   >>      C3213322333133313113313221211113313331333132322333232223121311122   >>