C3213322333133313113313221211113313331333133313121121123222122321   >>    C321332233313331311331322121111331333133313331312112112322212232   <<    C3213322333133313113313221211113313331333133313121121123222122323   >>      C3213322333133313113313221211113313331333133313121121123222122322   >>