C3213322333133313113313221211113313331333131111331322222221231221   >>    C321332233313331311331322121111331333133313111133132222222123122   <<    C3213322333133313113313221211113313331333131111331322222221231223   >>      C3213322333133313113313221211113313331333131111331322222221231222   >>