B33113313132313113313223313331323133313223313231333133313232222121111111211   >>    B3311331313231311331322331333132313331322331323133313331323222212111111121   <<    B33113313132313113313223313331323133313223313231333133313232222121111111213   >>      B33113313132313113313223313331323133313223313231333133313232222121111111212   >>