B33113313132313113313223313331322331311331322331333132313331323132112323131121   >>    B3311331313231311331322331333132233131133132233133313231333132313211232313112   <<    B33113313132313113313223313331322331311331322331333132313331323132112323131123   >>      B33113313132313113313223313331322331311331322331333132313331323132112323131122   >>