B3311331313231311331322331333132313331322331323133313331311211312121211   >>    B331133131323131133132233133313231333132233132313331333131121131212121   <<    B3311331313231311331322331333132313331322331323133313331311211312121213   >>      B3311331313231311331322331333132313331322331323133313331311211312121212   >>