B33113313132313113313223313331323223313233311331323132313112121121   >>    B3311331313231311331322331333132322331323331133132313231311212112   <<    B33113313132313113313223313331323223313233311331323132313112121123   >>      B33113313132313113313223313331323223313233311331323132313112121122   >>