B33113313132313113313223313331323132333132313331312111133132213232212131   >>    B3311331313231311331322331333132313233313231333131211113313221323221213   <<    B33113313132313113313223313331323132333132313331312111133132213232212133   >>      B33113313132313113313223313331323132333132313331312111133132213232212132   >>