B33113313132313113313223313331323133313223313231333131122223221   >>    B3311331313231311331322331333132313331322331323133313112222322   <<    B33113313132313113313223313331323133313223313231333131122223223   >>      B33113313132313113313223313331323133313223313231333131122223222   >>