B3311331313231311331322331333132333132211312111133133313231323231323221   >>    B331133131323131133132233133313233313221131211113313331323132323132322   <<    B3311331313231311331322331333132333132211312111133133313231323231323223   >>      B3311331313231311331322331333132333132211312111133133313231323231323222   >>