B3311331313231311331322331333132333132211312111133133313331311331323122311   >>    B331133131323131133132233133313233313221131211113313331333131133132312231   <<    B3311331313231311331322331333132333132211312111133133313331311331323122313   >>      B3311331313231311331322331333132333132211312111133133313331311331323122312   >>