C13223313311212111133133313331333132313331323312111133132223132221   >>    C1322331331121211113313331333133313231333132331211113313222313222   <<    C13223313311212111133133313331333132313331323312111133132223132223   >>      C13223313311212111133133313331333132313331323312111133132223132222   >>