B33113313132313113313223313331322331311331322331333132313311232313231323123131   >>    B3311331313231311331322331333132233131133132233133313231331123231323132312313   <<    B33113313132313113313223313331322331311331322331333132313311232313231323123133   >>      B33113313132313113313223313331322331311331322331333132313311232313231323123132   >>