B3311331313231311331322331333132313132313331323223313231323313131   >>    B331133131323131133132233133313231313231333132322331323132331313   <<    B3311331313231311331322331333132313132313331323223313231323313133   >>      B3311331313231311331322331333132313132313331323223313231323313132   >>