B33113313132313113313223313331323132333132313331311331333132321333113121   >>    B3311331313231311331322331333132313233313231333131133133313232133311312   <<    B33113313132313113313223313331323132333132313331311331333132321333113123   >>      B33113313132313113313223313331323132333132313331311331333132321333113122   >>