C13223313311212111133133313331333132313331323312111133132323231   >>    C1322331331121211113313331333133313231333132331211113313232323   <<    C13223313311212111133133313331333132313331323312111133132323233   >>      C13223313311212111133133313331333132313331323312111133132323232   >>