C2212133313231331121111331333133313223313113313331333132313232331211   >>    C221213331323133112111133133313331322331311331333133313231323233121   <<    C2212133313231331121111331333133313223313113313331333132313232331213   >>      C2212133313231331121111331333133313223313113313331333132313232331212   >>