B3311331313231311331322331333132313331322331323133313331311223132313223111   >>    B331133131323131133132233133313231333132233132313331333131122313231322311   <<    B3311331313231311331322331333132313331322331323133313331311223132313223113   >>      B3311331313231311331322331333132313331322331323133313331311223132313223112   >>