B33113313132313113313223313331323133313223313231333133313232212131111   >>    B3311331313231311331322331333132313331322331323133313331323221213111   <<    B33113313132313113313223313331323133313223313231333133313232212131113   >>      B33113313132313113313223313331323133313223313231333133313232212131112   >>