B33113313132313113313223313331311331333132212111133131121133132322122321   >>    B3311331313231311331322331333131133133313221211113313112113313232212232   <<    B33113313132313113313223313331311331333132212111133131121133132322122323   >>      B33113313132313113313223313331311331333132212111133131121133132322122322   >>