B3311331313231311331322331333132313231333131323223313133313133313113313232131   >>    B331133131323131133132233133313231323133313132322331313331313331311331323213   <<    B3311331313231311331322331333132313231333131323223313133313133313113313232133   >>      B3311331313231311331322331333132313231333131323223313133313133313113313232132   >>