C13223313311212111133133313331333133313233121333133313332313222221   >>    C1322331331121211113313331333133313331323312133313331333231322222   <<    C13223313311212111133133313331333133313233121333133313332313222223   >>      C13223313311212111133133313331333133313233121333133313332313222222   >>