B33113313132313113313223313331323132313331313232233131333133313233313221121131   >>    B3311331313231311331322331333132313231333131323223313133313331323331322112113   <<    B33113313132313113313223313331323132313331313232233131333133313233313221121133   >>      B33113313132313113313223313331323132313331313232233131333133313233313221121132   >>