B3311331313231311331322331333132313231333131323223313221121132311   >>    B331133131323131133132233133313231323133313132322331322112113231   <<    B3311331313231311331322331333132313231333131323223313221121132313   >>      B3311331313231311331322331333132313231333131323223313221121132312   >>