B33113313132313113313223313331323133313223313231333133313232212113313231331211   >>    B3311331313231311331322331333132313331322331323133313331323221211331323133121   <<    B33113313132313113313223313331323133313223313231333133313232212113313231331213   >>      B33113313132313113313223313331323133313223313231333133313232212113313231331212   >>