B33113313132313113313223313331323133313223313231333223313123131   >>    B3311331313231311331322331333132313331322331323133322331312313   <<    B33113313132313113313223313331323133313223313231333223313123133   >>      B33113313132313113313223313331323133313223313231333223313123132   >>