C13223313311212111133133313331333132322132322121111331322331323123121   >>    C1322331331121211113313331333133313232213232212111133132233132312312   <<    C13223313311212111133133313331333132322132322121111331322331323123123   >>      C13223313311212111133133313331333132322132322121111331322331323123122   >>