B33113313132313113313223313331323133313223313231333133311132111   >>    B3311331313231311331322331333132313331322331323133313331113211   <<    B33113313132313113313223313331323133313223313231333133311132113   >>      B33113313132313113313223313331323133313223313231333133311132112   >>