B33113313132313113313223313331323133313232233121133133313223221   >>    B3311331313231311331322331333132313331323223312113313331322322   <<    B33113313132313113313223313331323133313232233121133133313223223   >>      B33113313132313113313223313331323133313232233121133133313223222   >>