C13223313311212111133133313331323133313233313121111331333132222311   >>    C1322331331121211113313331333132313331323331312111133133313222231   <<    C13223313311212111133133313331323133313233313121111331333132222313   >>      C13223313311212111133133313331323133313233313121111331333132222312   >>