B33113313132313113313223313331323133313223313231333133313231211113313132311211   >>    B3311331313231311331322331333132313331322331323133313331323121111331313231121   <<    B33113313132313113313223313331323133313223313231333133313231211113313132311213   >>      B33113313132313113313223313331323133313223313231333133313231211113313132311212   >>