1911/1/1: 010111 = up-down mirror symmetric
1911/1/1: 010111 = 01:01:11 = each is up-down mirror symmetric
1911/1/1: 010111 = 010:111 = each is left-right mirror symmetric
1911/1/1: 010111 = 010:111 = each is 180 deg rotationally symmetric
1911/1/1: 010111 = 010:111 = each is palindrome
1911/1/1: 010111 = 010:111 = each is up-down mirror symmetric
1911/1/1: 01111 = up-down mirror symmetric
1911/1/1: 10111 = up-down mirror symmetric
1911/1/1: 110101 = up-down mirror symmetric
1911/1/1: 110101 = 11:01:01 = each is up-down mirror symmetric
1911/1/1: 110101 = 110:101 = each is up-down mirror symmetric
1911/1/1: 11011 = palindrome
1911/1/1: 11011 = left-right mirror symmetric
1911/1/1: 11011 = up-down mirror symmetric
1911/1/1: 11011 = 180 deg rotationally symmetric
1911/1/1: 11101 = up-down mirror symmetric
1911/1/1: 1111 = single digit
1911/1/1: 1111 = palindrome
1911/1/1: 1111 = left-right mirror symmetric
1911/1/1: 1111 = up-down mirror symmetric
1911/1/1: 1111 = 180 deg rotationally symmetric
1911/1/1: 1111 = cyclic permutation symmetric
1911/1/1: 1111 = 11:11 = each is left-right mirror symmetric
1911/1/1: 1111 = 11:11 = each is single digit
1911/1/1: 1111 = 11:11 = each is 180 deg rotationally symmetric
1911/1/1: 1111 = 11:11 = each is palindrome
1911/1/1: 1111 = 11:11 = each is up-down mirror symmetric
1911/1/1: 1111 = 11:11 = each is cyclic permutation symmetric
1911/1/1: 191111 = 191:111 = each is palindrome
1911/1/2: 020111 = 020:111 = each is palindrome
1911/1/3: 030111 = 030:111 = each is palindrome
1911/1/4: 040111 = 040:111 = each is palindrome
1911/1/5: 050111 = 050:111 = each is palindrome
1911/1/6: 010611 = 01:06:11 = arthimetic series of increment 5
1911/1/6: 060111 = 060:111 = each is palindrome
1911/1/7: 070111 = 070:111 = each is palindrome
1911/1/8: 010811 = up-down mirror symmetric
1911/1/8: 010811 = 01:08:11 = each is up-down mirror symmetric
1911/1/8: 010811 = 010:811 = each is up-down mirror symmetric
1911/1/8: 01811 = up-down mirror symmetric
1911/1/8: 080111 = up-down mirror symmetric
1911/1/8: 080111 = 08:01:11 = each is up-down mirror symmetric
1911/1/8: 080111 = 080:111 = each is left-right mirror symmetric
1911/1/8: 080111 = 080:111 = each is palindrome
1911/1/8: 080111 = 080:111 = each is up-down mirror symmetric
1911/1/8: 08111 = up-down mirror symmetric
1911/1/8: 10811 = up-down mirror symmetric
1911/1/8: 110108 = up-down mirror symmetric
1911/1/8: 110108 = 11:01:08 = each is up-down mirror symmetric
1911/1/8: 110108 = 110:108 = each is up-down mirror symmetric
1911/1/8: 11018 = up-down mirror symmetric
1911/1/8: 11108 = up-down mirror symmetric
1911/1/8: 1118 = up-down mirror symmetric
1911/1/8: 1118 = 11:18 = each is up-down mirror symmetric
1911/1/8: 1811 = up-down mirror symmetric
1911/1/8: 1811 = 18:11 = each is up-down mirror symmetric
1911/1/8: 80111 = up-down mirror symmetric
1911/1/8: 8111 = up-down mirror symmetric
1911/1/8: 8111 = 81:11 = each is up-down mirror symmetric
1911/1/9: 090111 = 090:111 = each is palindrome
1911/1/9: 911911 = cyclic permutation symmetric
1911/1/10: 011011 = up-down mirror symmetric
1911/1/10: 011011 = cyclic permutation symmetric
1911/1/10: 011011 = 01:10:11 = each is up-down mirror symmetric
1911/1/10: 011011 = 011:011 = each is up-down mirror symmetric
1911/1/10: 100111 = up-down mirror symmetric
1911/1/10: 100111 = 10:01:11 = each is up-down mirror symmetric
1911/1/10: 100111 = 100:111 = each is up-down mirror symmetric
1911/1/10: 10111 = up-down mirror symmetric
1911/1/10: 11011 = palindrome
1911/1/10: 11011 = left-right mirror symmetric
1911/1/10: 11011 = up-down mirror symmetric
1911/1/10: 11011 = 180 deg rotationally symmetric
1911/1/10: 110110 = up-down mirror symmetric
1911/1/10: 110110 = cyclic permutation symmetric
1911/1/10: 110110 = 11:01:10 = each is up-down mirror symmetric
1911/1/10: 110110 = 110:110 = each is up-down mirror symmetric
1911/1/10: 11110 = up-down mirror symmetric
1911/1/11: 011111 = up-down mirror symmetric
1911/1/11: 011111 = 01:11:11 = each is up-down mirror symmetric
1911/1/11: 011111 = 011:111 = each is up-down mirror symmetric
1911/1/11: 110111 = up-down mirror symmetric
1911/1/11: 110111 = 11:01:11 = each is up-down mirror symmetric
1911/1/11: 110111 = 110:111 = each is up-down mirror symmetric
1911/1/11: 11111 = single digit
1911/1/11: 11111 = palindrome
1911/1/11: 11111 = left-right mirror symmetric
1911/1/11: 11111 = up-down mirror symmetric
1911/1/11: 11111 = 180 deg rotationally symmetric
1911/1/11: 11111 = cyclic permutation symmetric
1911/1/12: 11211 = palindrome
1911/1/13: 11311 = palindrome
1911/1/14: 11411 = palindrome
1911/1/15: 11511 = palindrome
1911/1/16: 11611 = palindrome
1911/1/16: 1161911 = 180 deg rotationally symmetric
1911/1/17: 11711 = palindrome
1911/1/18: 011811 = up-down mirror symmetric
1911/1/18: 011811 = 01:18:11 = each is up-down mirror symmetric
1911/1/18: 011811 = 011:811 = each is up-down mirror symmetric
1911/1/18: 110118 = up-down mirror symmetric
1911/1/18: 110118 = 11:01:18 = each is up-down mirror symmetric
1911/1/18: 110118 = 110:118 = each is up-down mirror symmetric
1911/1/18: 11118 = up-down mirror symmetric
1911/1/18: 11811 = palindrome
1911/1/18: 11811 = left-right mirror symmetric
1911/1/18: 11811 = up-down mirror symmetric
1911/1/18: 180111 = up-down mirror symmetric
1911/1/18: 180111 = 18:01:11 = each is up-down mirror symmetric
1911/1/18: 180111 = 180:111 = each is up-down mirror symmetric
1911/1/18: 18111 = up-down mirror symmetric
1911/1/19: 11911 = palindrome
1911/1/19: 1191911 = palindrome
1911/2/1: 020111 = 020:111 = each is palindrome
1911/2/1: 191121 = 191:121 = each is palindrome
1911/2/2: 1122 = 11:22 = integer ratio of 1 to 2
1911/2/2: 1122 = 11:22 = each is single digit
1911/2/2: 1122 = 11:22 = each is palindrome
1911/2/2: 1122 = 11:22 = each is cyclic permutation symmetric
1911/2/2: 2211 = 22:11 = integer ratio of 2 to 1
1911/2/2: 2211 = 22:11 = each is single digit
1911/2/2: 2211 = 22:11 = each is palindrome
1911/2/2: 2211 = 22:11 = each is cyclic permutation symmetric
1911/2/7: 271911 = 27:19:11 = arthimetic series of increment -8
1911/2/11: 11211 = palindrome
1911/2/20: 022011 = 022:011 = integer ratio of 2 to 1
1911/2/20: 110220 = 110:220 = integer ratio of 1 to 2
1911/3/1: 030111 = 030:111 = each is palindrome
1911/3/1: 191131 = 191:131 = each is palindrome
1911/3/3: 1133 = 11:33 = integer ratio of 1 to 3
1911/3/3: 1133 = 11:33 = each is single digit
1911/3/3: 1133 = 11:33 = each is palindrome
1911/3/3: 1133 = 11:33 = each is cyclic permutation symmetric
1911/3/3: 3311 = 33:11 = integer ratio of 3 to 1
1911/3/3: 3311 = 33:11 = each is single digit
1911/3/3: 3311 = 33:11 = each is palindrome
1911/3/3: 3311 = 33:11 = each is cyclic permutation symmetric
1911/3/7: 030711 = 03:07:11 = arthimetic series of increment 4
1911/3/11: 11311 = palindrome
1911/3/30: 033011 = 033:011 = integer ratio of 3 to 1
1911/3/30: 110330 = 110:330 = integer ratio of 1 to 3
1911/4/1: 040111 = 040:111 = each is palindrome
1911/4/1: 191141 = 191:141 = each is palindrome
1911/4/4: 1144 = 11:44 = integer ratio of 1 to 4
1911/4/4: 1144 = 11:44 = each is single digit
1911/4/4: 1144 = 11:44 = each is palindrome
1911/4/4: 1144 = 11:44 = each is cyclic permutation symmetric
1911/4/4: 4411 = 44:11 = integer ratio of 4 to 1
1911/4/4: 4411 = 44:11 = each is single digit
1911/4/4: 4411 = 44:11 = each is palindrome
1911/4/4: 4411 = 44:11 = each is cyclic permutation symmetric
1911/4/11: 11411 = palindrome
1911/5/1: 050111 = 050:111 = each is palindrome
1911/5/1: 191151 = 191:151 = each is palindrome
1911/5/5: 1155 = 11:55 = integer ratio of 1 to 5
1911/5/5: 1155 = 11:55 = each is single digit
1911/5/5: 1155 = 11:55 = each is palindrome
1911/5/5: 1155 = 11:55 = each is cyclic permutation symmetric
1911/5/5: 5511 = 55:11 = integer ratio of 5 to 1
1911/5/5: 5511 = 55:11 = each is single digit
1911/5/5: 5511 = 55:11 = each is palindrome
1911/5/5: 5511 = 55:11 = each is cyclic permutation symmetric
1911/5/8: 050811 = 05:08:11 = arthimetic series of increment 3
1911/5/11: 11511 = palindrome
1911/6/1: 010611 = 01:06:11 = arthimetic series of increment 5
1911/6/1: 060111 = 060:111 = each is palindrome
1911/6/1: 110601 = 11:06:01 = arthimetic series of increment -5
1911/6/1: 191161 = 180 deg rotationally symmetric
1911/6/1: 191161 = 191:161 = each is palindrome
1911/6/6: 1166 = 11:66 = integer ratio of 1 to 6
1911/6/6: 1166 = 11:66 = each is single digit
1911/6/6: 1166 = 11:66 = each is palindrome
1911/6/6: 1166 = 11:66 = each is cyclic permutation symmetric
1911/6/6: 6611 = 66:11 = integer ratio of 6 to 1
1911/6/6: 6611 = 66:11 = each is single digit
1911/6/6: 6611 = 66:11 = each is palindrome
1911/6/6: 6611 = 66:11 = each is cyclic permutation symmetric
1911/6/9: 1169 = 11:69 = each is 180 deg rotationally symmetric
1911/6/9: 6911 = 69:11 = each is 180 deg rotationally symmetric
1911/6/9: 9611 = 96:11 = each is 180 deg rotationally symmetric
1911/6/11: 11611 = palindrome
1911/6/11: 1161911 = 180 deg rotationally symmetric
1911/7/1: 070111 = 070:111 = each is palindrome
1911/7/1: 191171 = 191:171 = each is palindrome
1911/7/2: 271911 = 27:19:11 = arthimetic series of increment -8
1911/7/3: 030711 = 03:07:11 = arthimetic series of increment 4
1911/7/3: 110703 = 11:07:03 = arthimetic series of increment -4
1911/7/7: 1177 = 11:77 = integer ratio of 1 to 7
1911/7/7: 1177 = 11:77 = each is single digit
1911/7/7: 1177 = 11:77 = each is palindrome
1911/7/7: 1177 = 11:77 = each is cyclic permutation symmetric
1911/7/7: 7711 = 77:11 = integer ratio of 7 to 1
1911/7/7: 7711 = 77:11 = each is single digit
1911/7/7: 7711 = 77:11 = each is palindrome
1911/7/7: 7711 = 77:11 = each is cyclic permutation symmetric
1911/7/9: 070911 = 07:09:11 = arthimetic series of increment 2
1911/7/11: 11711 = palindrome
1911/8/1: 010811 = up-down mirror symmetric
1911/8/1: 010811 = 01:08:11 = each is up-down mirror symmetric
1911/8/1: 010811 = 010:811 = each is up-down mirror symmetric
1911/8/1: 01811 = up-down mirror symmetric
1911/8/1: 080111 = up-down mirror symmetric
1911/8/1: 080111 = 08:01:11 = each is up-down mirror symmetric
1911/8/1: 080111 = 080:111 = each is left-right mirror symmetric
1911/8/1: 080111 = 080:111 = each is palindrome
1911/8/1: 080111 = 080:111 = each is up-down mirror symmetric
1911/8/1: 08111 = up-down mirror symmetric
1911/8/1: 10811 = up-down mirror symmetric
1911/8/1: 110801 = up-down mirror symmetric
1911/8/1: 110801 = 11:08:01 = each is up-down mirror symmetric
1911/8/1: 110801 = 110:801 = each is up-down mirror symmetric
1911/8/1: 11081 = up-down mirror symmetric
1911/8/1: 11801 = up-down mirror symmetric
1911/8/1: 1181 = up-down mirror symmetric
1911/8/1: 1181 = 11:81 = each is up-down mirror symmetric
1911/8/1: 1811 = up-down mirror symmetric
1911/8/1: 1811 = 18:11 = each is up-down mirror symmetric
1911/8/1: 191181 = 191:181 = each is palindrome
1911/8/1: 80111 = up-down mirror symmetric
1911/8/1: 8111 = up-down mirror symmetric
1911/8/1: 8111 = 81:11 = each is up-down mirror symmetric
1911/8/5: 050811 = 05:08:11 = arthimetic series of increment 3
1911/8/5: 110805 = 11:08:05 = arthimetic series of increment -3
1911/8/8: 080811 = up-down mirror symmetric
1911/8/8: 080811 = 08:08:11 = each is up-down mirror symmetric
1911/8/8: 080811 = 080:811 = each is up-down mirror symmetric
1911/8/8: 08811 = up-down mirror symmetric
1911/8/8: 110808 = up-down mirror symmetric
1911/8/8: 110808 = 11:08:08 = each is up-down mirror symmetric
1911/8/8: 110808 = 110:808 = each is up-down mirror symmetric
1911/8/8: 11088 = up-down mirror symmetric
1911/8/8: 11808 = up-down mirror symmetric
1911/8/8: 1188 = up-down mirror symmetric
1911/8/8: 1188 = 11:88 = integer ratio of 1 to 8
1911/8/8: 1188 = 11:88 = each is left-right mirror symmetric
1911/8/8: 1188 = 11:88 = each is single digit
1911/8/8: 1188 = 11:88 = each is palindrome
1911/8/8: 1188 = 11:88 = each is up-down mirror symmetric
1911/8/8: 1188 = 11:88 = each is cyclic permutation symmetric
1911/8/8: 80811 = up-down mirror symmetric
1911/8/8: 8811 = up-down mirror symmetric
1911/8/8: 8811 = 88:11 = integer ratio of 8 to 1
1911/8/8: 8811 = 88:11 = each is left-right mirror symmetric
1911/8/8: 8811 = 88:11 = each is single digit
1911/8/8: 8811 = 88:11 = each is palindrome
1911/8/8: 8811 = 88:11 = each is up-down mirror symmetric
1911/8/8: 8811 = 88:11 = each is cyclic permutation symmetric
1911/8/10: 081011 = up-down mirror symmetric
1911/8/10: 081011 = 08:10:11 = each is up-down mirror symmetric
1911/8/10: 081011 = 081:011 = each is up-down mirror symmetric
1911/8/10: 100811 = up-down mirror symmetric
1911/8/10: 100811 = 10:08:11 = each is up-down mirror symmetric
1911/8/10: 100811 = 100:811 = each is up-down mirror symmetric
1911/8/10: 10811 = up-down mirror symmetric
1911/8/10: 110810 = up-down mirror symmetric
1911/8/10: 110810 = 11:08:10 = each is up-down mirror symmetric
1911/8/10: 110810 = 110:810 = each is up-down mirror symmetric
1911/8/10: 11810 = up-down mirror symmetric
1911/8/10: 81011 = up-down mirror symmetric
1911/8/11: 081111 = up-down mirror symmetric
1911/8/11: 081111 = 08:11:11 = each is up-down mirror symmetric
1911/8/11: 081111 = 081:111 = each is up-down mirror symmetric
1911/8/11: 110811 = up-down mirror symmetric
1911/8/11: 110811 = 11:08:11 = each is up-down mirror symmetric
1911/8/11: 110811 = 110:811 = each is up-down mirror symmetric
1911/8/11: 11811 = palindrome
1911/8/11: 11811 = left-right mirror symmetric
1911/8/11: 11811 = up-down mirror symmetric
1911/8/11: 81111 = up-down mirror symmetric
1911/8/18: 081811 = up-down mirror symmetric
1911/8/18: 081811 = 08:18:11 = each is up-down mirror symmetric
1911/8/18: 081811 = 081:811 = each is up-down mirror symmetric
1911/8/18: 110818 = up-down mirror symmetric
1911/8/18: 110818 = 11:08:18 = each is up-down mirror symmetric
1911/8/18: 110818 = 110:818 = each is up-down mirror symmetric
1911/8/18: 11818 = up-down mirror symmetric
1911/8/18: 180811 = up-down mirror symmetric
1911/8/18: 180811 = 18:08:11 = each is up-down mirror symmetric
1911/8/18: 180811 = 180:811 = each is up-down mirror symmetric
1911/8/18: 18811 = up-down mirror symmetric
1911/8/18: 81811 = up-down mirror symmetric
1911/9/1: 090111 = 090:111 = each is palindrome
1911/9/1: 191191 = palindrome
1911/9/1: 191191 = cyclic permutation symmetric
1911/9/1: 191191 = 191:191 = each is palindrome
1911/9/1: 911911 = cyclic permutation symmetric
1911/9/6: 1196 = 11:96 = each is 180 deg rotationally symmetric
1911/9/6: 6911 = 69:11 = each is 180 deg rotationally symmetric
1911/9/6: 9611 = 96:11 = each is 180 deg rotationally symmetric
1911/9/7: 070911 = 07:09:11 = arthimetic series of increment 2
1911/9/7: 110907 = 11:09:07 = arthimetic series of increment -2
1911/9/9: 1199 = 11:99 = integer ratio of 1 to 9
1911/9/9: 1199 = 11:99 = each is single digit
1911/9/9: 1199 = 11:99 = each is palindrome
1911/9/9: 1199 = 11:99 = each is cyclic permutation symmetric
1911/9/9: 9911 = 99:11 = integer ratio of 9 to 1
1911/9/9: 9911 = 99:11 = each is single digit
1911/9/9: 9911 = 99:11 = each is palindrome
1911/9/9: 9911 = 99:11 = each is cyclic permutation symmetric
1911/9/10: 091011 = 09:10:11 = arthimetic series of increment 1
1911/9/11: 11911 = palindrome
1911/9/11: 1191911 = palindrome
1911/10/1: 011011 = up-down mirror symmetric
1911/10/1: 011011 = cyclic permutation symmetric
1911/10/1: 011011 = 01:10:11 = each is up-down mirror symmetric
1911/10/1: 011011 = 011:011 = each is up-down mirror symmetric
1911/10/1: 100111 = up-down mirror symmetric
1911/10/1: 100111 = 10:01:11 = each is up-down mirror symmetric
1911/10/1: 100111 = 100:111 = each is up-down mirror symmetric
1911/10/1: 10111 = up-down mirror symmetric
1911/10/1: 11011 = palindrome
1911/10/1: 11011 = left-right mirror symmetric
1911/10/1: 11011 = up-down mirror symmetric
1911/10/1: 11011 = 180 deg rotationally symmetric
1911/10/1: 111001 = up-down mirror symmetric
1911/10/1: 111001 = 11:10:01 = each is up-down mirror symmetric
1911/10/1: 111001 = 111:001 = integer ratio of 111 to 1
1911/10/1: 111001 = 111:001 = each is up-down mirror symmetric
1911/10/1: 11101 = up-down mirror symmetric
1911/10/3: 111003 = 111:003 = integer ratio of 37 to 1
1911/10/8: 081011 = up-down mirror symmetric
1911/10/8: 081011 = 08:10:11 = each is up-down mirror symmetric
1911/10/8: 081011 = 081:011 = each is up-down mirror symmetric
1911/10/8: 100811 = up-down mirror symmetric
1911/10/8: 100811 = 10:08:11 = each is up-down mirror symmetric
1911/10/8: 100811 = 100:811 = each is up-down mirror symmetric
1911/10/8: 10811 = up-down mirror symmetric
1911/10/8: 111008 = up-down mirror symmetric
1911/10/8: 111008 = 11:10:08 = each is up-down mirror symmetric
1911/10/8: 111008 = 111:008 = each is up-down mirror symmetric
1911/10/8: 11108 = up-down mirror symmetric
1911/10/8: 81011 = up-down mirror symmetric
1911/10/9: 091011 = 09:10:11 = arthimetic series of increment 1
1911/10/9: 111009 = 11:10:09 = arthimetic series of increment -1
1911/10/10: 101011 = up-down mirror symmetric
1911/10/10: 101011 = 10:10:11 = each is up-down mirror symmetric
1911/10/10: 101011 = 101:011 = each is up-down mirror symmetric
1911/10/10: 111010 = up-down mirror symmetric
1911/10/10: 111010 = 11:10:10 = each is up-down mirror symmetric
1911/10/10: 111010 = 111:010 = each is left-right mirror symmetric
1911/10/10: 111010 = 111:010 = each is 180 deg rotationally symmetric
1911/10/10: 111010 = 111:010 = each is palindrome
1911/10/10: 111010 = 111:010 = each is up-down mirror symmetric
1911/10/11: 101111 = up-down mirror symmetric
1911/10/11: 101111 = 10:11:11 = each is up-down mirror symmetric
1911/10/11: 101111 = 101:111 = each is left-right mirror symmetric
1911/10/11: 101111 = 101:111 = each is 180 deg rotationally symmetric
1911/10/11: 101111 = 101:111 = each is palindrome
1911/10/11: 101111 = 101:111 = each is up-down mirror symmetric
1911/10/11: 111011 = up-down mirror symmetric
1911/10/11: 111011 = 11:10:11 = each is up-down mirror symmetric
1911/10/11: 111011 = 111:011 = each is up-down mirror symmetric
1911/10/12: 121011 = 121:011 = integer ratio of 11 to 1
1911/10/18: 101811 = up-down mirror symmetric
1911/10/18: 101811 = 10:18:11 = each is up-down mirror symmetric
1911/10/18: 101811 = 101:811 = each is up-down mirror symmetric
1911/10/18: 111018 = up-down mirror symmetric
1911/10/18: 111018 = 11:10:18 = each is up-down mirror symmetric
1911/10/18: 111018 = 111:018 = each is up-down mirror symmetric
1911/10/18: 181011 = up-down mirror symmetric
1911/10/18: 181011 = 18:10:11 = each is up-down mirror symmetric
1911/10/18: 181011 = 181:011 = each is up-down mirror symmetric
1911/10/20: 111020 = 111:020 = each is palindrome
1911/10/23: 231011 = 231:011 = integer ratio of 21 to 1
1911/10/30: 111030 = 111:030 = each is palindrome
1911/11/1: 011111 = up-down mirror symmetric
1911/11/1: 011111 = 01:11:11 = each is up-down mirror symmetric
1911/11/1: 011111 = 011:111 = each is up-down mirror symmetric
1911/11/1: 110111 = up-down mirror symmetric
1911/11/1: 110111 = 11:01:11 = each is up-down mirror symmetric
1911/11/1: 110111 = 110:111 = each is up-down mirror symmetric
1911/11/1: 111101 = up-down mirror symmetric
1911/11/1: 111101 = 11:11:01 = each is up-down mirror symmetric
1911/11/1: 111101 = 111:101 = each is left-right mirror symmetric
1911/11/1: 111101 = 111:101 = each is 180 deg rotationally symmetric
1911/11/1: 111101 = 111:101 = each is palindrome
1911/11/1: 111101 = 111:101 = each is up-down mirror symmetric
1911/11/1: 11111 = single digit
1911/11/1: 11111 = palindrome
1911/11/1: 11111 = left-right mirror symmetric
1911/11/1: 11111 = up-down mirror symmetric
1911/11/1: 11111 = 180 deg rotationally symmetric
1911/11/1: 11111 = cyclic permutation symmetric
1911/11/2: 11211 = palindrome
1911/11/3: 11311 = palindrome
1911/11/4: 11411 = palindrome
1911/11/5: 11511 = palindrome
1911/11/6: 11611 = palindrome
1911/11/6: 1161911 = 180 deg rotationally symmetric
1911/11/7: 11711 = palindrome
1911/11/8: 081111 = up-down mirror symmetric
1911/11/8: 081111 = 08:11:11 = each is up-down mirror symmetric
1911/11/8: 081111 = 081:111 = each is up-down mirror symmetric
1911/11/8: 110811 = up-down mirror symmetric
1911/11/8: 110811 = 11:08:11 = each is up-down mirror symmetric
1911/11/8: 110811 = 110:811 = each is up-down mirror symmetric
1911/11/8: 111108 = up-down mirror symmetric
1911/11/8: 111108 = 11:11:08 = each is up-down mirror symmetric
1911/11/8: 111108 = 111:108 = each is up-down mirror symmetric
1911/11/8: 11118 = up-down mirror symmetric
1911/11/8: 11811 = palindrome
1911/11/8: 11811 = left-right mirror symmetric
1911/11/8: 11811 = up-down mirror symmetric
1911/11/8: 81111 = up-down mirror symmetric
1911/11/9: 11911 = palindrome
1911/11/9: 1191911 = palindrome
1911/11/10: 101111 = up-down mirror symmetric
1911/11/10: 101111 = 10:11:11 = each is up-down mirror symmetric
1911/11/10: 101111 = 101:111 = each is left-right mirror symmetric
1911/11/10: 101111 = 101:111 = each is 180 deg rotationally symmetric
1911/11/10: 101111 = 101:111 = each is palindrome
1911/11/10: 101111 = 101:111 = each is up-down mirror symmetric
1911/11/10: 111011 = up-down mirror symmetric
1911/11/10: 111011 = 11:10:11 = each is up-down mirror symmetric
1911/11/10: 111011 = 111:011 = each is up-down mirror symmetric
1911/11/10: 111110 = up-down mirror symmetric
1911/11/10: 111110 = 11:11:10 = each is up-down mirror symmetric
1911/11/10: 111110 = 111:110 = each is up-down mirror symmetric
1911/11/11: 111111 = single digit
1911/11/11: 111111 = palindrome
1911/11/11: 111111 = left-right mirror symmetric
1911/11/11: 111111 = up-down mirror symmetric
1911/11/11: 111111 = 180 deg rotationally symmetric
1911/11/11: 111111 = cyclic permutation symmetric
1911/11/11: 111111 = 11:11:11 = each is left-right mirror symmetric
1911/11/11: 111111 = 11:11:11 = each is single digit
1911/11/11: 111111 = 11:11:11 = each is 180 deg rotationally symmetric
1911/11/11: 111111 = 11:11:11 = each is palindrome
1911/11/11: 111111 = 11:11:11 = each is up-down mirror symmetric
1911/11/11: 111111 = 11:11:11 = each is cyclic permutation symmetric
1911/11/11: 111111 = 111:111 = each is left-right mirror symmetric
1911/11/11: 111111 = 111:111 = each is single digit
1911/11/11: 111111 = 111:111 = each is 180 deg rotationally symmetric
1911/11/11: 111111 = 111:111 = each is palindrome
1911/11/11: 111111 = 111:111 = each is up-down mirror symmetric
1911/11/11: 111111 = 111:111 = each is cyclic permutation symmetric
1911/11/12: 121111 = 121:111 = each is palindrome
1911/11/13: 131111 = 131:111 = each is palindrome
1911/11/14: 141111 = 141:111 = each is palindrome
1911/11/15: 151111 = 151:111 = each is palindrome
1911/11/16: 161111 = 161:111 = each is palindrome
1911/11/17: 171111 = 171:111 = each is palindrome
1911/11/18: 111118 = up-down mirror symmetric
1911/11/18: 111118 = 11:11:18 = each is up-down mirror symmetric
1911/11/18: 111118 = 111:118 = each is up-down mirror symmetric
1911/11/18: 111811 = up-down mirror symmetric
1911/11/18: 111811 = 11:18:11 = each is up-down mirror symmetric
1911/11/18: 111811 = 111:811 = each is up-down mirror symmetric
1911/11/18: 181111 = up-down mirror symmetric
1911/11/18: 181111 = 18:11:11 = each is up-down mirror symmetric
1911/11/18: 181111 = 181:111 = each is left-right mirror symmetric
1911/11/18: 181111 = 181:111 = each is palindrome
1911/11/18: 181111 = 181:111 = each is up-down mirror symmetric
1911/11/19: 191111 = 191:111 = each is palindrome
1911/11/19: 19111911 = cyclic permutation symmetric
1911/11/21: 111121 = 111:121 = each is palindrome
1911/11/22: 111122 = 11:11:22 = each is single digit
1911/11/22: 111122 = 11:11:22 = each is palindrome
1911/11/22: 111122 = 11:11:22 = each is cyclic permutation symmetric
1911/11/22: 112211 = palindrome
1911/11/22: 112211 = 11:22:11 = each is single digit
1911/11/22: 112211 = 11:22:11 = each is palindrome
1911/11/22: 112211 = 11:22:11 = each is cyclic permutation symmetric
1911/11/22: 221111 = 22:11:11 = each is single digit
1911/11/22: 221111 = 22:11:11 = each is palindrome
1911/11/22: 221111 = 22:11:11 = each is cyclic permutation symmetric
1911/12/1: 11211 = palindrome
1911/12/2: 111202 = 111:202 = each is palindrome
1911/12/10: 121011 = 121:011 = integer ratio of 11 to 1
1911/12/11: 121111 = 121:111 = each is palindrome
1911/12/12: 111212 = 111:212 = each is palindrome
1911/12/13: 111213 = 11:12:13 = arthimetic series of increment 1
1911/12/13: 131211 = 13:12:11 = arthimetic series of increment -1
1911/12/21: 211211 = cyclic permutation symmetric
1911/12/22: 111222 = 111:222 = integer ratio of 1 to 2
1911/12/22: 111222 = 111:222 = each is single digit
1911/12/22: 111222 = 111:222 = each is palindrome
1911/12/22: 111222 = 111:222 = each is cyclic permutation symmetric