B33113313132313113313223313331323133313223313231333133313132322121111121211   >>    B3311331313231311331322331333132313331322331323133313331313232212111112121   <<    B33113313132313113313223313331323133313223313231333133313132322121111121213   >>      B33113313132313113313223313331323133313223313231333133313132322121111121212   >>