B33113313132313113313223313331323132333132332113132322132323131   >>    B3311331313231311331322331333132313233313233211313232213232313   <<    B33113313132313113313223313331323132333132332113132322132323133   >>      B33113313132313113313223313331323132333132332113132322132323132   >>