B3311331313231311331322331333132313231333133313311211113313331333132211331211   >>    B331133131323131133132233133313231323133313331331121111331333133313221133121   <<    B3311331313231311331322331333132313231333133313311211113313331333132211331213   >>      B3311331313231311331322331333132313231333133313311211113313331333132211331212   >>