B33113313132313113313223313331323133313221211331333132313211231111   >>    B3311331313231311331322331333132313331322121133133313231321123111   <<    B33113313132313113313223313331323133313221211331333132313211231113   >>      B33113313132313113313223313331323133313221211331333132313211231112   >>