C3213322333133313113313221211113313331333133313121121123311111233321   >>    C321332233313331311331322121111331333133313331312112112331111123332   <<    C3213322333133313113313221211113313331333133313121121123311111233323   >>      C3213322333133313113313221211113313331333133313121121123311111233322   >>