B33113313132313113313223313331323331333132233312113313331121131   >>    B3311331313231311331322331333132333133313223331211331333112113   <<    B33113313132313113313223313331323331333132233312113313331121133   >>      B33113313132313113313223313331323331333132233312113313331121132   >>