C3213322333133313113313221211113313331333131111331322222132212221   >>    C321332233313331311331322121111331333133313111133132222213221222   <<    C3213322333133313113313221211113313331333131111331322222132212223   >>      C3213322333133313113313221211113313331333131111331322222132212222   >>