B33113313132313113313223313331323132313331313232233133313231323221333121   >>    B3311331313231311331322331333132313231333131323223313331323132322133312   <<    B33113313132313113313223313331323132313331313232233133313231323221333123   >>      B33113313132313113313223313331323132313331313232233133313231323221333122   >>