B33113313132313113313223313331323133313223313231333133313232211113313112132311   >>    B3311331313231311331322331333132313331322331323133313331323221111331311213231   <<    B33113313132313113313223313331323133313223313231333133313232211113313112132313   >>      B33113313132313113313223313331323133313223313231333133313232211113313112132312   >>