B33113313132313113313223313331323132333132322331333131133131212131   >>    B3311331313231311331322331333132313233313232233133313113313121213   <<    B33113313132313113313223313331323132333132322331333131133131212133   >>      B33113313132313113313223313331323132333132322331333131133131212132   >>