B33113313132313113313223313331323132313331313232233132322133313112131   >>    B3311331313231311331322331333132313231333131323223313232213331311213   <<    B33113313132313113313223313331323132313331313232233132322133313112133   >>      B33113313132313113313223313331323132313331313232233132322133313112132   >>