C13223313311212111133133313331333132313331323312111133132223133313232233121   >>    C1322331331121211113313331333133313231333132331211113313222313331323223312   <<    C13223313311212111133133313331333132313331323312111133132223133313232233123   >>      C13223313311212111133133313331333132313331323312111133132223133313232233122   >>