C13332313311211113313331333133313331323233121111331333132313331322212131   >>    C1333231331121111331333133313331333132323312111133133313231333132221213   <<    C13332313311211113313331333133313331323233121111331333132313331322212133   >>      C13332313311211113313331333133313331323233121111331333132313331322212132   >>