B33113313132313113313223313331323133313223313231333133313123121111331311332211   >>    B3311331313231311331322331333132313331322331323133313331312312111133131133221   <<    B33113313132313113313223313331323133313223313231333133313123121111331311332213   >>      B33113313132313113313223313331323133313223313231333133313123121111331311332212   >>