C13223313311212111133133313331333133313233121333133313331333231121311   >>    C1322331331121211113313331333133313331323312133313331333133323112131   <<    C13223313311212111133133313331333133313233121333133313331333231121313   >>      C13223313311212111133133313331333133313233121333133313331333231121312   >>