B33113313132313113313223313331311331333132212111133131121133132322122311   >>    B3311331313231311331322331333131133133313221211113313112113313232212231   <<    B33113313132313113313223313331311331333132212111133131121133132322122313   >>      B33113313132313113313223313331311331333132212111133131121133132322122312   >>