B33113313132313113313223313331311331323133313132322331313331323132313221111   >>    B3311331313231311331322331333131133132313331313232233131333132313231322111   <<    B33113313132313113313223313331311331323133313132322331313331323132313221113   >>      B33113313132313113313223313331311331323133313132322331313331323132313221112   >>