C13223313311212111133133313331333132313331323312111112111133232131123311   >>    C1322331331121211113313331333133313231333132331211111211113323213112331   <<    C13223313311212111133133313331333132313331323312111112111133232131123313   >>      C13223313311212111133133313331333132313331323312111112111133232131123312   >>