B3311331313231311331322331333132313331121131211111211113313331333132212223311   >>    B331133131323131133132233133313231333112113121111121111331333133313221222331   <<    B3311331313231311331322331333132313331121131211111211113313331333132212223313   >>      B3311331313231311331322331333132313331121131211111211113313331333132212223312   >>