B33113313132313113313223313331323133311211312111112111133133313221323221211   >>    B3311331313231311331322331333132313331121131211111211113313331322132322121   <<    B33113313132313113313223313331323133311211312111112111133133313221323221213   >>      B33113313132313113313223313331323133311211312111112111133133313221323221212   >>