B3311331313231311331322331333132313233313232233133313331322222311   >>    B331133131323131133132233133313231323331323223313331333132222231   <<    B3311331313231311331322331333132313233313232233133313331322222313   >>      B3311331313231311331322331333132313233313232233133313331322222312   >>