B3311331313231311331322331333132313331322331323133313331121131211212111   >>    B331133131323131133132233133313231333132233132313331333112113121121211   <<    B3311331313231311331322331333132313331322331323133313331121131211212113   >>      B3311331313231311331322331333132313331322331323133313331121131211212112   >>