B33113313132313113313223313331323133313221211331333133313331333132313132112311   >>    B3311331313231311331322331333132313331322121133133313331333133313231313211231   <<    B33113313132313113313223313331323133313221211331333133313331333132313132112313   >>      B33113313132313113313223313331323133313221211331333133313331333132313132112312   >>