B33113313132313113313223313331323133313223313231333132313232223323221211   >>    B3311331313231311331322331333132313331322331323133313231323222332322121   <<    B33113313132313113313223313331323133313223313231333132313232223323221213   >>      B33113313132313113313223313331323133313223313231333132313232223323221212   >>