B33113313132313113313223313331323223313232313331333132313231321121   >>    B3311331313231311331322331333132322331323231333133313231323132112   <<    B33113313132313113313223313331323223313232313331333132313231321123   >>      B33113313132313113313223313331323223313232313331333132313231321122   >>