B3311331313231311331322331333132313231323331311233132322331323233121   >>    B331133131323131133132233133313231323132333131123313232233132323312   <<    B3311331313231311331322331333132313231323331311233132322331323233123   >>      B3311331313231311331322331333132313231323331311233132322331323233122   >>