B33113313132313113313223313331323331322113121111331333133313133112121   >>    B3311331313231311331322331333132333132211312111133133313331313311212   <<    B33113313132313113313223313331323331322113121111331333133313133112123   >>      B33113313132313113313223313331323331322113121111331333133313133112122   >>