B33113313132313113313223313331323132333132332313331333133313221232321   >>    B3311331313231311331322331333132313233313233231333133313331322123232   <<    B33113313132313113313223313331323132333132332313331333133313221232323   >>      B33113313132313113313223313331323132333132332313331333133313221232322   >>