B3311331313231311331322331333132313331323133211331333133313221311111   >>    B331133131323131133132233133313231333132313321133133313331322131111   <<    B3311331313231311331322331333132313331323133211331333133313221311113   >>      B3311331313231311331322331333132313331323133211331333133313221311112   >>