B3311331313231311331322331333132333132211312111133133313331312322331   >>    B331133131323131133132233133313233313221131211113313331333131232233   <<    B3311331313231311331322331333132333132211312111133133313331312322333   >>      B3311331313231311331322331333132333132211312111133133313331312322332   >>