C2212133313231331121111331333133313223313113313331333131211111212321   >>    C221213331323133112111133133313331322331311331333133313121111121232   <<    C2212133313231331121111331333133313223313113313331333131211111212323   >>      C2212133313231331121111331333133313223313113313331333131211111212322   >>