B33113313132313113313223313331323133313223313231333133313233311232321211   >>    B3311331313231311331322331333132313331322331323133313331323331123232121   <<    B33113313132313113313223313331323133313223313231333133313233311232321213   >>      B33113313132313113313223313331323133313223313231333133313233311232321212   >>