1988/1/1: 010188 = up-down mirror symmetric
1988/1/1: 010188 = 01:01:88 = each is up-down mirror symmetric
1988/1/1: 010188 = 010:188 = each is up-down mirror symmetric
1988/1/1: 01188 = up-down mirror symmetric
1988/1/1: 10188 = up-down mirror symmetric
1988/1/1: 1188 = up-down mirror symmetric
1988/1/1: 1188 = 11:88 = integer ratio of 1 to 8
1988/1/1: 1188 = 11:88 = each is left-right mirror symmetric
1988/1/1: 1188 = 11:88 = each is single digit
1988/1/1: 1188 = 11:88 = each is palindrome
1988/1/1: 1188 = 11:88 = each is up-down mirror symmetric
1988/1/1: 1188 = 11:88 = each is cyclic permutation symmetric
1988/1/1: 880101 = up-down mirror symmetric
1988/1/1: 880101 = 88:01:01 = each is up-down mirror symmetric
1988/1/1: 880101 = 880:101 = each is up-down mirror symmetric
1988/1/1: 88011 = up-down mirror symmetric
1988/1/1: 88101 = up-down mirror symmetric
1988/1/1: 8811 = up-down mirror symmetric
1988/1/1: 8811 = 88:11 = integer ratio of 8 to 1
1988/1/1: 8811 = 88:11 = each is left-right mirror symmetric
1988/1/1: 8811 = 88:11 = each is single digit
1988/1/1: 8811 = 88:11 = each is palindrome
1988/1/1: 8811 = 88:11 = each is up-down mirror symmetric
1988/1/1: 8811 = 88:11 = each is cyclic permutation symmetric
1988/1/8: 010888 = up-down mirror symmetric
1988/1/8: 010888 = 01:08:88 = each is up-down mirror symmetric
1988/1/8: 010888 = 010:888 = each is left-right mirror symmetric
1988/1/8: 010888 = 010:888 = each is palindrome
1988/1/8: 010888 = 010:888 = each is up-down mirror symmetric
1988/1/8: 01888 = up-down mirror symmetric
1988/1/8: 080188 = up-down mirror symmetric
1988/1/8: 080188 = 08:01:88 = each is up-down mirror symmetric
1988/1/8: 080188 = 080:188 = each is up-down mirror symmetric
1988/1/8: 08188 = up-down mirror symmetric
1988/1/8: 10888 = up-down mirror symmetric
1988/1/8: 1888 = up-down mirror symmetric
1988/1/8: 1888 = 18:88 = each is up-down mirror symmetric
1988/1/8: 80188 = up-down mirror symmetric
1988/1/8: 8188 = up-down mirror symmetric
1988/1/8: 8188 = 81:88 = each is up-down mirror symmetric
1988/1/8: 880108 = up-down mirror symmetric
1988/1/8: 880108 = 88:01:08 = each is up-down mirror symmetric
1988/1/8: 880108 = 880:108 = each is up-down mirror symmetric
1988/1/8: 88018 = up-down mirror symmetric
1988/1/8: 88108 = up-down mirror symmetric
1988/1/8: 8818 = up-down mirror symmetric
1988/1/8: 8818 = 88:18 = each is up-down mirror symmetric
1988/1/10: 011088 = up-down mirror symmetric
1988/1/10: 011088 = 01:10:88 = each is up-down mirror symmetric
1988/1/10: 011088 = 011:088 = integer ratio of 1 to 8
1988/1/10: 011088 = 011:088 = each is up-down mirror symmetric
1988/1/10: 100188 = up-down mirror symmetric
1988/1/10: 100188 = 10:01:88 = each is up-down mirror symmetric
1988/1/10: 100188 = 100:188 = each is up-down mirror symmetric
1988/1/10: 10188 = up-down mirror symmetric
1988/1/10: 11088 = up-down mirror symmetric
1988/1/10: 880110 = up-down mirror symmetric
1988/1/10: 880110 = 88:01:10 = each is up-down mirror symmetric
1988/1/10: 880110 = 880:110 = integer ratio of 8 to 1
1988/1/10: 880110 = 880:110 = each is up-down mirror symmetric
1988/1/10: 88110 = up-down mirror symmetric
1988/1/11: 011188 = up-down mirror symmetric
1988/1/11: 011188 = 01:11:88 = each is up-down mirror symmetric
1988/1/11: 011188 = 011:188 = each is up-down mirror symmetric
1988/1/11: 110188 = up-down mirror symmetric
1988/1/11: 110188 = 11:01:88 = each is up-down mirror symmetric
1988/1/11: 110188 = 110:188 = each is up-down mirror symmetric
1988/1/11: 11188 = up-down mirror symmetric
1988/1/11: 880111 = up-down mirror symmetric
1988/1/11: 880111 = 88:01:11 = each is up-down mirror symmetric
1988/1/11: 880111 = 880:111 = each is up-down mirror symmetric
1988/1/11: 88111 = up-down mirror symmetric
1988/1/18: 011888 = up-down mirror symmetric
1988/1/18: 011888 = 01:18:88 = each is up-down mirror symmetric
1988/1/18: 011888 = 011:888 = each is up-down mirror symmetric
1988/1/18: 11888 = up-down mirror symmetric
1988/1/18: 180188 = up-down mirror symmetric
1988/1/18: 180188 = 18:01:88 = each is up-down mirror symmetric
1988/1/18: 180188 = 180:188 = each is up-down mirror symmetric
1988/1/18: 18188 = up-down mirror symmetric
1988/1/18: 880118 = up-down mirror symmetric
1988/1/18: 880118 = 88:01:18 = each is up-down mirror symmetric
1988/1/18: 880118 = 880:118 = each is up-down mirror symmetric
1988/1/18: 88118 = up-down mirror symmetric
1988/1/22: 012288 = 012:288 = integer ratio of 1 to 24
1988/1/25: 012588 = 012:588 = integer ratio of 1 to 49
1988/1/28: 012888 = 012:888 = integer ratio of 1 to 74
1988/2/2: 2288 = 22:88 = integer ratio of 1 to 4
1988/2/2: 2288 = 22:88 = each is single digit
1988/2/2: 2288 = 22:88 = each is palindrome
1988/2/2: 2288 = 22:88 = each is cyclic permutation symmetric
1988/2/2: 8822 = 88:22 = integer ratio of 4 to 1
1988/2/2: 8822 = 88:22 = each is single digit
1988/2/2: 8822 = 88:22 = each is palindrome
1988/2/2: 8822 = 88:22 = each is cyclic permutation symmetric
1988/2/8: 020888 = 020:888 = each is palindrome
1988/2/15: 021588 = 021:588 = integer ratio of 1 to 28
1988/2/20: 022088 = 022:088 = integer ratio of 1 to 4
1988/2/20: 880220 = 880:220 = integer ratio of 4 to 1
1988/3/3: 3388 = 33:88 = each is single digit
1988/3/3: 3388 = 33:88 = each is palindrome
1988/3/3: 3388 = 33:88 = each is cyclic permutation symmetric
1988/3/3: 8833 = 88:33 = each is single digit
1988/3/3: 8833 = 88:33 = each is palindrome
1988/3/3: 8833 = 88:33 = each is cyclic permutation symmetric
1988/3/8: 030888 = 030:888 = each is palindrome
1988/3/22: 032288 = 032:288 = integer ratio of 1 to 9
1988/4/4: 4488 = 44:88 = integer ratio of 1 to 2
1988/4/4: 4488 = 44:88 = each is single digit
1988/4/4: 4488 = 44:88 = each is palindrome
1988/4/4: 4488 = 44:88 = each is cyclic permutation symmetric
1988/4/4: 8844 = 88:44 = integer ratio of 2 to 1
1988/4/4: 8844 = 88:44 = each is single digit
1988/4/4: 8844 = 88:44 = each is palindrome
1988/4/4: 8844 = 88:44 = each is cyclic permutation symmetric
1988/4/8: 040888 = 040:888 = each is palindrome
1988/4/25: 042588 = 042:588 = integer ratio of 1 to 14
1988/5/5: 5588 = 55:88 = each is single digit
1988/5/5: 5588 = 55:88 = each is palindrome
1988/5/5: 5588 = 55:88 = each is cyclic permutation symmetric
1988/5/5: 8855 = 88:55 = each is single digit
1988/5/5: 8855 = 88:55 = each is palindrome
1988/5/5: 8855 = 88:55 = each is cyclic permutation symmetric
1988/5/8: 050888 = 050:888 = each is palindrome
1988/5/29: 052988 = 052:988 = integer ratio of 1 to 19
1988/6/6: 6688 = 66:88 = each is single digit
1988/6/6: 6688 = 66:88 = each is palindrome
1988/6/6: 6688 = 66:88 = each is cyclic permutation symmetric
1988/6/6: 8866 = 88:66 = each is single digit
1988/6/6: 8866 = 88:66 = each is palindrome
1988/6/6: 8866 = 88:66 = each is cyclic permutation symmetric
1988/6/8: 060888 = 060:888 = each is palindrome
1988/6/14: 061488 = 061:488 = integer ratio of 1 to 8
1988/7/7: 7788 = 77:88 = each is single digit
1988/7/7: 7788 = 77:88 = each is palindrome
1988/7/7: 7788 = 77:88 = each is cyclic permutation symmetric
1988/7/7: 8877 = 88:77 = each is single digit
1988/7/7: 8877 = 88:77 = each is palindrome
1988/7/7: 8877 = 88:77 = each is cyclic permutation symmetric
1988/7/8: 070888 = 070:888 = each is palindrome
1988/7/22: 072288 = 072:288 = integer ratio of 1 to 4
1988/8/1: 010888 = up-down mirror symmetric
1988/8/1: 010888 = 01:08:88 = each is up-down mirror symmetric
1988/8/1: 010888 = 010:888 = each is left-right mirror symmetric
1988/8/1: 010888 = 010:888 = each is palindrome
1988/8/1: 010888 = 010:888 = each is up-down mirror symmetric
1988/8/1: 01888 = up-down mirror symmetric
1988/8/1: 080188 = up-down mirror symmetric
1988/8/1: 080188 = 08:01:88 = each is up-down mirror symmetric
1988/8/1: 080188 = 080:188 = each is up-down mirror symmetric
1988/8/1: 08188 = up-down mirror symmetric
1988/8/1: 10888 = up-down mirror symmetric
1988/8/1: 1888 = up-down mirror symmetric
1988/8/1: 1888 = 18:88 = each is up-down mirror symmetric
1988/8/1: 80188 = up-down mirror symmetric
1988/8/1: 8188 = up-down mirror symmetric
1988/8/1: 8188 = 81:88 = each is up-down mirror symmetric
1988/8/1: 880801 = up-down mirror symmetric
1988/8/1: 880801 = 88:08:01 = each is up-down mirror symmetric
1988/8/1: 880801 = 880:801 = each is up-down mirror symmetric
1988/8/1: 88081 = up-down mirror symmetric
1988/8/1: 88801 = up-down mirror symmetric
1988/8/1: 8881 = up-down mirror symmetric
1988/8/1: 8881 = 88:81 = each is up-down mirror symmetric
1988/8/2: 020888 = 020:888 = each is palindrome
1988/8/3: 030888 = 030:888 = each is palindrome
1988/8/4: 040888 = 040:888 = each is palindrome
1988/8/5: 050888 = 050:888 = each is palindrome
1988/8/6: 060888 = 060:888 = each is palindrome
1988/8/7: 070888 = 070:888 = each is palindrome
1988/8/8: 080888 = up-down mirror symmetric
1988/8/8: 080888 = 08:08:88 = each is up-down mirror symmetric
1988/8/8: 080888 = 080:888 = each is left-right mirror symmetric
1988/8/8: 080888 = 080:888 = each is palindrome
1988/8/8: 080888 = 080:888 = each is up-down mirror symmetric
1988/8/8: 08888 = up-down mirror symmetric
1988/8/8: 80888 = up-down mirror symmetric
1988/8/8: 880808 = up-down mirror symmetric
1988/8/8: 880808 = 88:08:08 = each is up-down mirror symmetric
1988/8/8: 880808 = 880:808 = each is up-down mirror symmetric
1988/8/8: 88088 = palindrome
1988/8/8: 88088 = left-right mirror symmetric
1988/8/8: 88088 = up-down mirror symmetric
1988/8/8: 88808 = up-down mirror symmetric
1988/8/8: 8888 = single digit
1988/8/8: 8888 = palindrome
1988/8/8: 8888 = left-right mirror symmetric
1988/8/8: 8888 = up-down mirror symmetric
1988/8/8: 8888 = cyclic permutation symmetric
1988/8/8: 8888 = 88:88 = each is left-right mirror symmetric
1988/8/8: 8888 = 88:88 = each is single digit
1988/8/8: 8888 = 88:88 = each is palindrome
1988/8/8: 8888 = 88:88 = each is up-down mirror symmetric
1988/8/8: 8888 = 88:88 = each is cyclic permutation symmetric
1988/8/9: 090888 = 090:888 = each is palindrome
1988/8/10: 081088 = up-down mirror symmetric
1988/8/10: 081088 = 08:10:88 = each is up-down mirror symmetric
1988/8/10: 081088 = 081:088 = each is up-down mirror symmetric
1988/8/10: 100888 = up-down mirror symmetric
1988/8/10: 100888 = 10:08:88 = each is up-down mirror symmetric
1988/8/10: 100888 = 100:888 = each is up-down mirror symmetric
1988/8/10: 10888 = up-down mirror symmetric
1988/8/10: 81088 = up-down mirror symmetric
1988/8/10: 880810 = up-down mirror symmetric
1988/8/10: 880810 = 88:08:10 = each is up-down mirror symmetric
1988/8/10: 880810 = 880:810 = each is up-down mirror symmetric
1988/8/10: 88810 = up-down mirror symmetric
1988/8/11: 081188 = up-down mirror symmetric
1988/8/11: 081188 = 08:11:88 = each is up-down mirror symmetric
1988/8/11: 081188 = 081:188 = each is up-down mirror symmetric
1988/8/11: 110888 = up-down mirror symmetric
1988/8/11: 110888 = 11:08:88 = each is up-down mirror symmetric
1988/8/11: 110888 = 110:888 = each is up-down mirror symmetric
1988/8/11: 11888 = up-down mirror symmetric
1988/8/11: 81188 = up-down mirror symmetric
1988/8/11: 880811 = up-down mirror symmetric
1988/8/11: 880811 = 88:08:11 = each is up-down mirror symmetric
1988/8/11: 880811 = 880:811 = each is up-down mirror symmetric
1988/8/11: 88811 = up-down mirror symmetric
1988/8/18: 081888 = up-down mirror symmetric
1988/8/18: 081888 = 08:18:88 = each is up-down mirror symmetric
1988/8/18: 081888 = 081:888 = each is up-down mirror symmetric
1988/8/18: 180888 = up-down mirror symmetric
1988/8/18: 180888 = 18:08:88 = each is up-down mirror symmetric
1988/8/18: 180888 = 180:888 = each is up-down mirror symmetric
1988/8/18: 18888 = up-down mirror symmetric
1988/8/18: 81888 = up-down mirror symmetric
1988/8/18: 880818 = up-down mirror symmetric
1988/8/18: 880818 = 88:08:18 = each is up-down mirror symmetric
1988/8/18: 880818 = 880:818 = each is up-down mirror symmetric
1988/8/18: 88818 = up-down mirror symmetric
1988/9/1: 198891 = palindrome
1988/9/8: 090888 = 090:888 = each is palindrome
1988/9/9: 8899 = 88:99 = each is single digit
1988/9/9: 8899 = 88:99 = each is palindrome
1988/9/9: 8899 = 88:99 = each is cyclic permutation symmetric
1988/9/9: 9988 = 99:88 = each is single digit
1988/9/9: 9988 = 99:88 = each is palindrome
1988/9/9: 9988 = 99:88 = each is cyclic permutation symmetric
1988/10/1: 011088 = up-down mirror symmetric
1988/10/1: 011088 = 01:10:88 = each is up-down mirror symmetric
1988/10/1: 011088 = 011:088 = integer ratio of 1 to 8
1988/10/1: 011088 = 011:088 = each is up-down mirror symmetric
1988/10/1: 100188 = up-down mirror symmetric
1988/10/1: 100188 = 10:01:88 = each is up-down mirror symmetric
1988/10/1: 100188 = 100:188 = each is up-down mirror symmetric
1988/10/1: 10188 = up-down mirror symmetric
1988/10/1: 11088 = up-down mirror symmetric
1988/10/1: 881001 = up-down mirror symmetric
1988/10/1: 881001 = 88:10:01 = each is up-down mirror symmetric
1988/10/1: 881001 = 881:001 = integer ratio of 881 to 1
1988/10/1: 881001 = 881:001 = each is up-down mirror symmetric
1988/10/1: 88101 = up-down mirror symmetric
1988/10/8: 081088 = up-down mirror symmetric
1988/10/8: 081088 = 08:10:88 = each is up-down mirror symmetric
1988/10/8: 081088 = 081:088 = each is up-down mirror symmetric
1988/10/8: 100888 = up-down mirror symmetric
1988/10/8: 100888 = 10:08:88 = each is up-down mirror symmetric
1988/10/8: 100888 = 100:888 = each is up-down mirror symmetric
1988/10/8: 10888 = up-down mirror symmetric
1988/10/8: 81088 = up-down mirror symmetric
1988/10/8: 881008 = up-down mirror symmetric
1988/10/8: 881008 = 88:10:08 = each is up-down mirror symmetric
1988/10/8: 881008 = 881:008 = each is up-down mirror symmetric
1988/10/8: 88108 = up-down mirror symmetric
1988/10/10: 101088 = up-down mirror symmetric
1988/10/10: 101088 = 10:10:88 = each is up-down mirror symmetric
1988/10/10: 101088 = 101:088 = each is up-down mirror symmetric
1988/10/10: 881010 = up-down mirror symmetric
1988/10/10: 881010 = 88:10:10 = each is up-down mirror symmetric
1988/10/10: 881010 = 881:010 = each is up-down mirror symmetric
1988/10/11: 101188 = up-down mirror symmetric
1988/10/11: 101188 = 10:11:88 = each is up-down mirror symmetric
1988/10/11: 101188 = 101:188 = each is up-down mirror symmetric
1988/10/11: 111088 = up-down mirror symmetric
1988/10/11: 111088 = 11:10:88 = each is up-down mirror symmetric
1988/10/11: 111088 = 111:088 = each is up-down mirror symmetric
1988/10/11: 881011 = up-down mirror symmetric
1988/10/11: 881011 = 88:10:11 = each is up-down mirror symmetric
1988/10/11: 881011 = 881:011 = each is up-down mirror symmetric
1988/10/18: 101888 = up-down mirror symmetric
1988/10/18: 101888 = 10:18:88 = each is up-down mirror symmetric
1988/10/18: 101888 = 101:888 = each is left-right mirror symmetric
1988/10/18: 101888 = 101:888 = each is palindrome
1988/10/18: 101888 = 101:888 = each is up-down mirror symmetric
1988/10/18: 181088 = up-down mirror symmetric
1988/10/18: 181088 = 18:10:88 = each is up-down mirror symmetric
1988/10/18: 181088 = 181:088 = each is up-down mirror symmetric
1988/10/18: 881018 = up-down mirror symmetric
1988/10/18: 881018 = 88:10:18 = each is up-down mirror symmetric
1988/10/18: 881018 = 881:018 = each is up-down mirror symmetric
1988/11/1: 011188 = up-down mirror symmetric
1988/11/1: 011188 = 01:11:88 = each is up-down mirror symmetric
1988/11/1: 011188 = 011:188 = each is up-down mirror symmetric
1988/11/1: 110188 = up-down mirror symmetric
1988/11/1: 110188 = 11:01:88 = each is up-down mirror symmetric
1988/11/1: 110188 = 110:188 = each is up-down mirror symmetric
1988/11/1: 11188 = up-down mirror symmetric
1988/11/1: 881101 = up-down mirror symmetric
1988/11/1: 881101 = 88:11:01 = each is up-down mirror symmetric
1988/11/1: 881101 = 881:101 = each is up-down mirror symmetric
1988/11/1: 88111 = up-down mirror symmetric
1988/11/8: 081188 = up-down mirror symmetric
1988/11/8: 081188 = 08:11:88 = each is up-down mirror symmetric
1988/11/8: 081188 = 081:188 = each is up-down mirror symmetric
1988/11/8: 110888 = up-down mirror symmetric
1988/11/8: 110888 = 11:08:88 = each is up-down mirror symmetric
1988/11/8: 110888 = 110:888 = each is up-down mirror symmetric
1988/11/8: 11888 = up-down mirror symmetric
1988/11/8: 81188 = up-down mirror symmetric
1988/11/8: 881108 = up-down mirror symmetric
1988/11/8: 881108 = 88:11:08 = each is up-down mirror symmetric
1988/11/8: 881108 = 881:108 = each is up-down mirror symmetric
1988/11/8: 88118 = up-down mirror symmetric
1988/11/10: 101188 = up-down mirror symmetric
1988/11/10: 101188 = 10:11:88 = each is up-down mirror symmetric
1988/11/10: 101188 = 101:188 = each is up-down mirror symmetric
1988/11/10: 111088 = up-down mirror symmetric
1988/11/10: 111088 = 11:10:88 = each is up-down mirror symmetric
1988/11/10: 111088 = 111:088 = each is up-down mirror symmetric
1988/11/10: 881110 = up-down mirror symmetric
1988/11/10: 881110 = 88:11:10 = each is up-down mirror symmetric
1988/11/10: 881110 = 881:110 = each is up-down mirror symmetric
1988/11/11: 111188 = up-down mirror symmetric
1988/11/11: 111188 = 11:11:88 = each is left-right mirror symmetric
1988/11/11: 111188 = 11:11:88 = each is single digit
1988/11/11: 111188 = 11:11:88 = each is palindrome
1988/11/11: 111188 = 11:11:88 = each is up-down mirror symmetric
1988/11/11: 111188 = 11:11:88 = each is cyclic permutation symmetric
1988/11/11: 111188 = 111:188 = each is up-down mirror symmetric
1988/11/11: 881111 = up-down mirror symmetric
1988/11/11: 881111 = 88:11:11 = each is left-right mirror symmetric
1988/11/11: 881111 = 88:11:11 = each is single digit
1988/11/11: 881111 = 88:11:11 = each is palindrome
1988/11/11: 881111 = 88:11:11 = each is up-down mirror symmetric
1988/11/11: 881111 = 88:11:11 = each is cyclic permutation symmetric
1988/11/11: 881111 = 881:111 = each is up-down mirror symmetric
1988/11/18: 111888 = up-down mirror symmetric
1988/11/18: 111888 = 11:18:88 = each is up-down mirror symmetric
1988/11/18: 111888 = 111:888 = integer ratio of 1 to 8
1988/11/18: 111888 = 111:888 = each is left-right mirror symmetric
1988/11/18: 111888 = 111:888 = each is single digit
1988/11/18: 111888 = 111:888 = each is palindrome
1988/11/18: 111888 = 111:888 = each is up-down mirror symmetric
1988/11/18: 111888 = 111:888 = each is cyclic permutation symmetric
1988/11/18: 181188 = up-down mirror symmetric
1988/11/18: 181188 = 18:11:88 = each is up-down mirror symmetric
1988/11/18: 181188 = 181:188 = each is up-down mirror symmetric
1988/11/18: 881118 = up-down mirror symmetric
1988/11/18: 881118 = 88:11:18 = each is up-down mirror symmetric
1988/11/18: 881118 = 881:118 = each is up-down mirror symmetric
1988/11/22: 112288 = 11:22:88 = each is single digit
1988/11/22: 112288 = 11:22:88 = each is palindrome
1988/11/22: 112288 = 11:22:88 = each is cyclic permutation symmetric
1988/11/22: 221188 = 22:11:88 = each is single digit
1988/11/22: 221188 = 22:11:88 = each is palindrome
1988/11/22: 221188 = 22:11:88 = each is cyclic permutation symmetric
1988/11/22: 881122 = 88:11:22 = each is single digit
1988/11/22: 881122 = 88:11:22 = each is palindrome
1988/11/22: 881122 = 88:11:22 = each is cyclic permutation symmetric
1988/12/18: 121888 = 121:888 = each is palindrome
1988/12/24: 122488 = 122:488 = integer ratio of 1 to 4