B3311331313231311331322331333132313331323133313233313231322122331   >>    B331133131323131133132233133313231333132313331323331323132212233   <<    B3311331313231311331322331333132313331323133313233313231322122333   >>      B3311331313231311331322331333132313331323133313233313231322122332   >>