C3213322333133313113313221211113313331333133313121121123321132121321   >>    C321332233313331311331322121111331333133313331312112112332113212132   <<    C3213322333133313113313221211113313331333133313121121123321132121323   >>      C3213322333133313113313221211113313331333133313121121123321132121322   >>