B33113313132313113313223313331323331333132233121111331323132311321   >>    B3311331313231311331322331333132333133313223312111133132313231132   <<    B33113313132313113313223313331323331333132233121111331323132311323   >>      B33113313132313113313223313331323331333132233121111331323132311322   >>