C3132121111331312113313331333133313331333132313331333133313331322133313121231   >>    C313212111133131211331333133313331333133313231333133313331333132213331312123   <<    C3132121111331312113313331333133313331333132313331333133313331322133313121233   >>      C3132121111331312113313331333133313331333132313331333133313331322133313121232   >>