B33113313132313113313223313331311331323331323331333132233132322121133131   >>    B3311331313231311331322331333131133132333132333133313223313232212113313   <<    B33113313132313113313223313331311331323331323331333132233132322121133133   >>      B33113313132313113313223313331311331323331323331333132233132322121133132   >>