C3213322333133313113313221211113313331333133313121121123321221311311211   >>    C321332233313331311331322121111331333133313331312112112332122131131121   <<    C3213322333133313113313221211113313331333133313121121123321221311311213   >>      C3213322333133313113313221211113313331333133313121121123321221311311212   >>