C3213322333133313113313221211113313331333132322333232223213211311   >>    C321332233313331311331322121111331333133313232233323222321321131   <<    C3213322333133313113313221211113313331333132322333232223213211313   >>      C3213322333133313113313221211113313331333132322333232223213211312   >>