B3311331313231311331322331333132333131333132233133313233313231323133311211331   >>    B331133131323131133132233133313233313133313223313331323331323132313331121133   <<    B3311331313231311331322331333132333131333132233133313233313231323133311211333   >>      B3311331313231311331322331333132333131333132233133313233313231323133311211332   >>