B33113313132313113313223313331323132333132313331313231333132313331323232212311   >>    B3311331313231311331322331333132313233313231333131323133313231333132323221231   <<    B33113313132313113313223313331323132333132313331313231333132313331323232212313   >>      B33113313132313113313223313331323132333132313331313231333132313331323232212312   >>