B33113313132313113313223313331323133313223313231333133313121111331333121312231   >>    B3311331313231311331322331333132313331322331323133313331312111133133312131223   <<    B33113313132313113313223313331323133313223313231333133313121111331333121312233   >>      B33113313132313113313223313331323133313223313231333133313121111331333121312232   >>