B3311331313231311331322331333132322331311113313231323331323222311   >>    B331133131323131133132233133313232233131111331323132333132322231   <<    B3311331313231311331322331333132322331311113313231323331323222313   >>      B3311331313231311331322331333132322331311113313231323331323222312   >>