B3311331313231311331322331333132313331322331323133313233313112113313231323221   >>    B331133131323131133132233133313231333132233132313331323331311211331323132322   <<    B3311331313231311331322331333132313331322331323133313233313112113313231323223   >>      B3311331313231311331322331333132313331322331323133313233313112113313231323222   >>