C3213322333133313113313221211113313331333132322333232223123121112311   >>    C321332233313331311331322121111331333133313232233323222312312111231   <<    C3213322333133313113313221211113313331333132322333232223123121112313   >>      C3213322333133313113313221211113313331333132322333232223123121112312   >>