C3213322333133313113313221211113313331333132322333232223213212131   >>    C321332233313331311331322121111331333133313232233323222321321213   <<    C3213322333133313113313221211113313331333132322333232223213212133   >>      C3213322333133313113313221211113313331333132322333232223213212132   >>