B33113313132313113313223313331323132333132313331311233133313221212131   >>    B3311331313231311331322331333132313233313231333131123313331322121213   <<    B33113313132313113313223313331323132333132313331311233133313221212133   >>      B33113313132313113313223313331323132333132313331311233133313221212132   >>