B33113313132313113313223313331323133313223313231333133313232233211113121   >>    B3311331313231311331322331333132313331322331323133313331323223321111312   <<    B33113313132313113313223313331323133313223313231333133313232233211113123   >>      B33113313132313113313223313331323133313223313231333133313232233211113122   >>