B3311331313231311331322331333132313231333133313311211113313311211113322332231   >>    B331133131323131133132233133313231323133313331331121111331331121111332233223   <<    B3311331313231311331322331333132313231333133313311211113313311211113322332233   >>      B3311331313231311331322331333132313231333133313311211113313311211113322332232   >>