C3132121111331312113313331333133313331333112331333131133223322231   >>    C313212111133131211331333133313331333133311233133313113322332223   <<    C3132121111331312113313331333133313331333112331333131133223322233   >>      C3132121111331312113313331333133313331333112331333131133223322232   >>