B3311331313231311331322331333132313331322331323133313331322331323223313133221   >>    B331133131323131133132233133313231333132233132313331333132233132322331313322   <<    B3311331313231311331322331333132313331322331323133313331322331323223313133223   >>      B3311331313231311331322331333132313331322331323133313331322331323223313133222   >>