B33113313132313113313223313331323132322331313113313331323133313232213231111   >>    B3311331313231311331322331333132313232233131311331333132313331323221323111   <<    B33113313132313113313223313331323132322331313113313331323133313232213231113   >>      B33113313132313113313223313331323132322331313113313331323133313232213231112   >>