C13223313311212111133133313331333133313233121333133313331311312111113112122311   >>    C1322331331121211113313331333133313331323312133313331333131131211111311212231   <<    C13223313311212111133133313331333133313233121333133313331311312111113112122313   >>      C13223313311212111133133313331333133313233121333133313331311312111113112122312   >>