B33113313132313113313223313331323132313331313232233132322133313221321   >>    B3311331313231311331322331333132313231333131323223313232213331322132   <<    B33113313132313113313223313331323132313331313232233132322133313221323   >>      B33113313132313113313223313331323132313331313232233132322133313221322   >>