B33113313132313113313223313331323132313331313232233133313231323221211231   >>    B3311331313231311331322331333132313231333131323223313331323132322121123   <<    B33113313132313113313223313331323132313331313232233133313231323221211233   >>      B33113313132313113313223313331323132313331313232233133313231323221211232   >>