B3311331313231311331322331333132313331322331323133313112113232311   >>    B331133131323131133132233133313231333132233132313331311211323231   <<    B3311331313231311331322331333132313331322331323133313112113232313   >>      B3311331313231311331322331333132313331322331323133313112113232312   >>