B33113313132313113313223313331323132313233313331311233133313221323132231111   >>    B3311331313231311331322331333132313231323331333131123313331322132313223111   <<    B33113313132313113313223313331323132313233313331311233133313221323132231113   >>      B33113313132313113313223313331323132313233313331311233133313221323132231112   >>