B33113313132313113313223313331323132333132313331313232233132322111   >>    B3311331313231311331322331333132313233313231333131323223313232211   <<    B33113313132313113313223313331323132333132313331313232233132322113   >>      B33113313132313113313223313331323132333132313331313232233132322112   >>