B3311331313231311331322331333132313233313132313223313331333121121   >>    B331133131323131133132233133313231323331313231322331333133312112   <<    B3311331313231311331322331333132313233313132313223313331333121123   >>      B3311331313231311331322331333132313233313132313223313331333121122   >>