B33113313132313113313223313331323132313331313232233132322133313231323132312311   >>    B3311331313231311331322331333132313231333131323223313232213331323132313231231   <<    B33113313132313113313223313331323132313331313232233132322133313231323132312313   >>      B33113313132313113313223313331323132313331313232233132322133313231323132312312   >>