B3311331313231311331322331333132333132211312111133133313332233121   >>    B331133131323131133132233133313233313221131211113313331333223312   <<    B3311331313231311331322331333132333132211312111133133313332233123   >>      B3311331313231311331322331333132333132211312111133133313332233122   >>