Index of /archive/data/2015/01/09/GIS/ridge/RIW/N0U

[ICO]NameLast modifiedSizeDescription
[PARENTDIR]Parent Directory  -  
[IMG]RIW_N0U_201501090001.png2015-01-08 18:04 8.7K 
[ ]RIW_N0U_201501090001.wld2015-01-08 18:04 89  
[IMG]RIW_N0U_201501090011.png2015-01-08 18:14 9.7K 
[ ]RIW_N0U_201501090011.wld2015-01-08 18:14 71  
[IMG]RIW_N0U_201501090021.png2015-01-08 18:24 10K 
[ ]RIW_N0U_201501090021.wld2015-01-08 18:24 78  
[IMG]RIW_N0U_201501090031.png2015-01-08 18:33 10K 
[ ]RIW_N0U_201501090031.wld2015-01-08 18:33 89  
[IMG]RIW_N0U_201501090040.png2015-01-08 18:43 11K 
[ ]RIW_N0U_201501090040.wld2015-01-08 18:43 73  
[IMG]RIW_N0U_201501090050.png2015-01-08 18:53 11K 
[ ]RIW_N0U_201501090050.wld2015-01-08 18:53 70  
[IMG]RIW_N0U_201501090100.png2015-01-08 19:02 12K 
[ ]RIW_N0U_201501090100.wld2015-01-08 19:02 78  
[IMG]RIW_N0U_201501090109.png2015-01-08 19:12 13K 
[ ]RIW_N0U_201501090109.wld2015-01-08 19:12 88  
[IMG]RIW_N0U_201501090119.png2015-01-08 19:22 13K 
[ ]RIW_N0U_201501090119.wld2015-01-08 19:22 87  
[IMG]RIW_N0U_201501090129.png2015-01-08 19:32 13K 
[ ]RIW_N0U_201501090129.wld2015-01-08 19:32 76  
[IMG]RIW_N0U_201501090139.png2015-01-08 19:41 14K 
[ ]RIW_N0U_201501090139.wld2015-01-08 19:41 78  
[IMG]RIW_N0U_201501090148.png2015-01-08 19:51 15K 
[ ]RIW_N0U_201501090148.wld2015-01-08 19:51 75  
[IMG]RIW_N0U_201501090158.png2015-01-08 20:01 15K 
[ ]RIW_N0U_201501090158.wld2015-01-08 20:01 71  
[IMG]RIW_N0U_201501090208.png2015-01-08 20:11 16K 
[ ]RIW_N0U_201501090208.wld2015-01-08 20:11 82  
[IMG]RIW_N0U_201501090218.png2015-01-08 20:20 16K 
[ ]RIW_N0U_201501090218.wld2015-01-08 20:20 82  
[IMG]RIW_N0U_201501090227.png2015-01-08 20:30 16K 
[ ]RIW_N0U_201501090227.wld2015-01-08 20:30 77  
[IMG]RIW_N0U_201501090237.png2015-01-08 20:40 16K 
[ ]RIW_N0U_201501090237.wld2015-01-08 20:40 74  
[IMG]RIW_N0U_201501090247.png2015-01-08 20:50 17K 
[ ]RIW_N0U_201501090247.wld2015-01-08 20:50 69  
[IMG]RIW_N0U_201501090256.png2015-01-08 20:59 17K 
[ ]RIW_N0U_201501090256.wld2015-01-08 20:59 76  
[IMG]RIW_N0U_201501090306.png2015-01-08 21:09 16K 
[ ]RIW_N0U_201501090306.wld2015-01-08 21:09 76  
[IMG]RIW_N0U_201501090318.png2015-01-08 21:21 17K 
[ ]RIW_N0U_201501090318.wld2015-01-08 21:21 84  
[IMG]RIW_N0U_201501090328.png2015-01-08 21:31 17K 
[ ]RIW_N0U_201501090328.wld2015-01-08 21:31 87  
[IMG]RIW_N0U_201501090338.png2015-01-08 21:40 17K 
[ ]RIW_N0U_201501090338.wld2015-01-08 21:40 89  
[IMG]RIW_N0U_201501090347.png2015-01-08 21:50 17K 
[ ]RIW_N0U_201501090347.wld2015-01-08 21:50 69  
[IMG]RIW_N0U_201501090357.png2015-01-08 22:00 16K 
[ ]RIW_N0U_201501090357.wld2015-01-08 22:00 79  
[IMG]RIW_N0U_201501090407.png2015-01-08 22:09 16K 
[ ]RIW_N0U_201501090407.wld2015-01-08 22:09 82  
[IMG]RIW_N0U_201501090417.png2015-01-08 22:19 16K 
[ ]RIW_N0U_201501090417.wld2015-01-08 22:19 79  
[IMG]RIW_N0U_201501090426.png2015-01-08 22:29 16K 
[ ]RIW_N0U_201501090426.wld2015-01-08 22:29 86  
[IMG]RIW_N0U_201501090436.png2015-01-08 22:39 16K 
[ ]RIW_N0U_201501090436.wld2015-01-08 22:39 72  
[IMG]RIW_N0U_201501090446.png2015-01-08 22:48 16K 
[ ]RIW_N0U_201501090446.wld2015-01-08 22:48 71  
[IMG]RIW_N0U_201501090455.png2015-01-08 22:58 15K 
[ ]RIW_N0U_201501090455.wld2015-01-08 22:58 72  
[IMG]RIW_N0U_201501090505.png2015-01-08 23:08 14K 
[ ]RIW_N0U_201501090505.wld2015-01-08 23:08 74  
[IMG]RIW_N0U_201501090515.png2015-01-08 23:18 14K 
[ ]RIW_N0U_201501090515.wld2015-01-08 23:18 68  
[IMG]RIW_N0U_201501090525.png2015-01-08 23:27 13K 
[ ]RIW_N0U_201501090525.wld2015-01-08 23:27 71  
[IMG]RIW_N0U_201501090534.png2015-01-08 23:37 13K 
[ ]RIW_N0U_201501090534.wld2015-01-08 23:37 84  
[IMG]RIW_N0U_201501090544.png2015-01-08 23:47 12K 
[ ]RIW_N0U_201501090544.wld2015-01-08 23:47 85  
[IMG]RIW_N0U_201501090554.png2015-01-08 23:56 11K 
[ ]RIW_N0U_201501090554.wld2015-01-08 23:56 72  
[IMG]RIW_N0U_201501090603.png2015-01-09 00:06 11K 
[ ]RIW_N0U_201501090603.wld2015-01-09 00:06 80  
[IMG]RIW_N0U_201501090613.png2015-01-09 00:16 9.6K 
[ ]RIW_N0U_201501090613.wld2015-01-09 00:16 68  
[IMG]RIW_N0U_201501090623.png2015-01-09 00:26 9.5K 
[ ]RIW_N0U_201501090623.wld2015-01-09 00:26 72  
[IMG]RIW_N0U_201501090633.png2015-01-09 00:35 9.2K 
[ ]RIW_N0U_201501090633.wld2015-01-09 00:35 75  
[IMG]RIW_N0U_201501090642.png2015-01-09 00:45 9.0K 
[ ]RIW_N0U_201501090642.wld2015-01-09 00:45 88  
[IMG]RIW_N0U_201501090652.png2015-01-09 00:55 8.7K 
[ ]RIW_N0U_201501090652.wld2015-01-09 00:55 69  
[IMG]RIW_N0U_201501090702.png2015-01-09 01:05 8.4K 
[ ]RIW_N0U_201501090702.wld2015-01-09 01:05 74  
[IMG]RIW_N0U_201501090712.png2015-01-09 01:14 8.2K 
[ ]RIW_N0U_201501090712.wld2015-01-09 01:14 70  
[IMG]RIW_N0U_201501090721.png2015-01-09 01:24 7.7K 
[ ]RIW_N0U_201501090721.wld2015-01-09 01:24 78  
[IMG]RIW_N0U_201501090731.png2015-01-09 01:34 7.8K 
[ ]RIW_N0U_201501090731.wld2015-01-09 01:34 76  
[IMG]RIW_N0U_201501090741.png2015-01-09 01:44 7.4K 
[ ]RIW_N0U_201501090741.wld2015-01-09 01:44 80  
[IMG]RIW_N0U_201501090750.png2015-01-09 01:53 7.4K 
[ ]RIW_N0U_201501090750.wld2015-01-09 01:53 69  
[IMG]RIW_N0U_201501090800.png2015-01-09 02:03 7.3K 
[ ]RIW_N0U_201501090800.wld2015-01-09 02:03 86  
[IMG]RIW_N0U_201501090810.png2015-01-09 02:13 7.2K 
[ ]RIW_N0U_201501090810.wld2015-01-09 02:13 80  
[IMG]RIW_N0U_201501090820.png2015-01-09 02:22 7.0K 
[ ]RIW_N0U_201501090820.wld2015-01-09 02:22 89  
[IMG]RIW_N0U_201501090829.png2015-01-09 02:32 7.2K 
[ ]RIW_N0U_201501090829.wld2015-01-09 02:32 81  
[IMG]RIW_N0U_201501090839.png2015-01-09 02:42 6.9K 
[ ]RIW_N0U_201501090839.wld2015-01-09 02:42 82  
[IMG]RIW_N0U_201501090849.png2015-01-09 02:52 7.1K 
[ ]RIW_N0U_201501090849.wld2015-01-09 02:52 76  
[IMG]RIW_N0U_201501090859.png2015-01-09 03:01 7.2K 
[ ]RIW_N0U_201501090859.wld2015-01-09 03:01 64  
[IMG]RIW_N0U_201501090908.png2015-01-09 03:11 7.1K 
[ ]RIW_N0U_201501090908.wld2015-01-09 03:11 75  
[IMG]RIW_N0U_201501090918.png2015-01-09 03:21 7.0K 
[ ]RIW_N0U_201501090918.wld2015-01-09 03:21 71  
[IMG]RIW_N0U_201501090928.png2015-01-09 03:31 7.3K 
[ ]RIW_N0U_201501090928.wld2015-01-09 03:31 70  
[IMG]RIW_N0U_201501090938.png2015-01-09 03:40 7.2K 
[ ]RIW_N0U_201501090938.wld2015-01-09 03:40 75  
[IMG]RIW_N0U_201501090947.png2015-01-09 03:50 7.0K 
[ ]RIW_N0U_201501090947.wld2015-01-09 03:50 80  
[IMG]RIW_N0U_201501090957.png2015-01-09 04:00 7.1K 
[ ]RIW_N0U_201501090957.wld2015-01-09 04:00 71  
[IMG]RIW_N0U_201501091007.png2015-01-09 04:09 7.2K 
[ ]RIW_N0U_201501091007.wld2015-01-09 04:09 75  
[IMG]RIW_N0U_201501091016.png2015-01-09 04:19 7.3K 
[ ]RIW_N0U_201501091016.wld2015-01-09 04:19 77  
[IMG]RIW_N0U_201501091026.png2015-01-09 04:29 7.2K 
[ ]RIW_N0U_201501091026.wld2015-01-09 04:29 75  
[IMG]RIW_N0U_201501091036.png2015-01-09 04:39 7.2K 
[ ]RIW_N0U_201501091036.wld2015-01-09 04:39 83  
[IMG]RIW_N0U_201501091046.png2015-01-09 04:48 7.2K 
[ ]RIW_N0U_201501091046.wld2015-01-09 04:48 81  
[IMG]RIW_N0U_201501091055.png2015-01-09 04:58 7.1K 
[ ]RIW_N0U_201501091055.wld2015-01-09 04:58 76  
[IMG]RIW_N0U_201501091105.png2015-01-09 05:08 6.7K 
[ ]RIW_N0U_201501091105.wld2015-01-09 05:08 81  
[IMG]RIW_N0U_201501091115.png2015-01-09 05:18 6.9K 
[ ]RIW_N0U_201501091115.wld2015-01-09 05:18 63  
[IMG]RIW_N0U_201501091127.png2015-01-09 05:30 6.4K 
[ ]RIW_N0U_201501091127.wld2015-01-09 05:30 76  
[IMG]RIW_N0U_201501091137.png2015-01-09 05:39 6.3K 
[ ]RIW_N0U_201501091137.wld2015-01-09 05:39 63  
[IMG]RIW_N0U_201501091146.png2015-01-09 05:49 6.1K 
[ ]RIW_N0U_201501091146.wld2015-01-09 05:49 78  
[IMG]RIW_N0U_201501091156.png2015-01-09 05:59 6.4K 
[ ]RIW_N0U_201501091156.wld2015-01-09 05:59 76  
[IMG]RIW_N0U_201501091206.png2015-01-09 06:08 6.0K 
[ ]RIW_N0U_201501091206.wld2015-01-09 06:08 82  
[IMG]RIW_N0U_201501091216.png2015-01-09 06:18 6.2K 
[ ]RIW_N0U_201501091216.wld2015-01-09 06:18 68  
[IMG]RIW_N0U_201501091225.png2015-01-09 06:28 6.3K 
[ ]RIW_N0U_201501091225.wld2015-01-09 06:28 62  
[IMG]RIW_N0U_201501091235.png2015-01-09 06:38 6.6K 
[ ]RIW_N0U_201501091235.wld2015-01-09 06:38 84  
[IMG]RIW_N0U_201501091245.png2015-01-09 06:48 6.6K 
[ ]RIW_N0U_201501091245.wld2015-01-09 06:48 77  
[IMG]RIW_N0U_201501091255.png2015-01-09 06:57 6.5K 
[ ]RIW_N0U_201501091255.wld2015-01-09 06:57 77  
[IMG]RIW_N0U_201501091304.png2015-01-09 07:07 6.4K 
[ ]RIW_N0U_201501091304.wld2015-01-09 07:07 82  
[IMG]RIW_N0U_201501091314.png2015-01-09 07:17 6.1K 
[ ]RIW_N0U_201501091314.wld2015-01-09 07:17 76  
[IMG]RIW_N0U_201501091324.png2015-01-09 07:26 6.0K 
[ ]RIW_N0U_201501091324.wld2015-01-09 07:26 71  
[IMG]RIW_N0U_201501091333.png2015-01-09 07:36 6.4K 
[ ]RIW_N0U_201501091333.wld2015-01-09 07:36 65  
[IMG]RIW_N0U_201501091343.png2015-01-09 07:46 6.4K 
[ ]RIW_N0U_201501091343.wld2015-01-09 07:46 76  
[IMG]RIW_N0U_201501091353.png2015-01-09 07:56 6.2K 
[ ]RIW_N0U_201501091353.wld2015-01-09 07:56 65  
[IMG]RIW_N0U_201501091403.png2015-01-09 08:05 6.7K 
[ ]RIW_N0U_201501091403.wld2015-01-09 08:05 72  
[IMG]RIW_N0U_201501091412.png2015-01-09 08:15 7.4K 
[ ]RIW_N0U_201501091412.wld2015-01-09 08:15 69  
[IMG]RIW_N0U_201501091422.png2015-01-09 08:25 7.6K 
[ ]RIW_N0U_201501091422.wld2015-01-09 08:25 68  
[IMG]RIW_N0U_201501091432.png2015-01-09 08:35 7.5K 
[ ]RIW_N0U_201501091432.wld2015-01-09 08:35 82  
[IMG]RIW_N0U_201501091442.png2015-01-09 08:44 7.2K 
[ ]RIW_N0U_201501091442.wld2015-01-09 08:44 78  
[IMG]RIW_N0U_201501091451.png2015-01-09 08:54 7.1K 
[ ]RIW_N0U_201501091451.wld2015-01-09 08:54 72  
[IMG]RIW_N0U_201501091501.png2015-01-09 09:04 7.1K 
[ ]RIW_N0U_201501091501.wld2015-01-09 09:04 77  
[IMG]RIW_N0U_201501091511.png2015-01-09 09:14 7.2K 
[ ]RIW_N0U_201501091511.wld2015-01-09 09:14 79  
[IMG]RIW_N0U_201501091521.png2015-01-09 09:23 7.1K 
[ ]RIW_N0U_201501091521.wld2015-01-09 09:23 71  
[IMG]RIW_N0U_201501091530.png2015-01-09 09:33 6.8K 
[ ]RIW_N0U_201501091530.wld2015-01-09 09:33 84  
[IMG]RIW_N0U_201501091540.png2015-01-09 09:43 6.9K 
[ ]RIW_N0U_201501091540.wld2015-01-09 09:43 83  
[IMG]RIW_N0U_201501091550.png2015-01-09 09:53 6.9K 
[ ]RIW_N0U_201501091550.wld2015-01-09 09:53 71  
[IMG]RIW_N0U_201501091559.png2015-01-09 10:02 6.8K 
[ ]RIW_N0U_201501091559.wld2015-01-09 10:02 79  
[IMG]RIW_N0U_201501091609.png2015-01-09 10:12 6.8K 
[ ]RIW_N0U_201501091609.wld2015-01-09 10:12 77  
[IMG]RIW_N0U_201501091619.png2015-01-09 10:22 7.1K 
[ ]RIW_N0U_201501091619.wld2015-01-09 10:22 72  
[IMG]RIW_N0U_201501091629.png2015-01-09 10:31 7.0K 
[ ]RIW_N0U_201501091629.wld2015-01-09 10:31 87  
[IMG]RIW_N0U_201501091638.png2015-01-09 10:41 6.8K 
[ ]RIW_N0U_201501091638.wld2015-01-09 10:41 78  
[IMG]RIW_N0U_201501091648.png2015-01-09 10:51 6.8K 
[ ]RIW_N0U_201501091648.wld2015-01-09 10:51 67  
[IMG]RIW_N0U_201501091658.png2015-01-09 11:01 6.6K 
[ ]RIW_N0U_201501091658.wld2015-01-09 11:01 71  
[IMG]RIW_N0U_201501091708.png2015-01-09 11:10 6.7K 
[ ]RIW_N0U_201501091708.wld2015-01-09 11:10 88  
[IMG]RIW_N0U_201501091717.png2015-01-09 11:20 6.8K 
[ ]RIW_N0U_201501091717.wld2015-01-09 11:20 82  
[IMG]RIW_N0U_201501091727.png2015-01-09 11:30 6.9K 
[ ]RIW_N0U_201501091727.wld2015-01-09 11:30 80  
[IMG]RIW_N0U_201501091737.png2015-01-09 11:40 6.8K 
[ ]RIW_N0U_201501091737.wld2015-01-09 11:40 79  
[IMG]RIW_N0U_201501091747.png2015-01-09 11:49 6.7K 
[ ]RIW_N0U_201501091747.wld2015-01-09 11:49 84  
[IMG]RIW_N0U_201501091756.png2015-01-09 11:59 6.7K 
[ ]RIW_N0U_201501091756.wld2015-01-09 11:59 67  
[IMG]RIW_N0U_201501091806.png2015-01-09 12:09 6.7K 
[ ]RIW_N0U_201501091806.wld2015-01-09 12:09 78  
[IMG]RIW_N0U_201501091816.png2015-01-09 12:19 6.6K 
[ ]RIW_N0U_201501091816.wld2015-01-09 12:19 64  
[IMG]RIW_N0U_201501091826.png2015-01-09 12:28 6.6K 
[ ]RIW_N0U_201501091826.wld2015-01-09 12:28 70  
[IMG]RIW_N0U_201501091835.png2015-01-09 12:38 6.7K 
[ ]RIW_N0U_201501091835.wld2015-01-09 12:38 83  
[IMG]RIW_N0U_201501091845.png2015-01-09 12:48 6.7K 
[ ]RIW_N0U_201501091845.wld2015-01-09 12:48 85  
[IMG]RIW_N0U_201501091855.png2015-01-09 12:58 6.5K 
[ ]RIW_N0U_201501091855.wld2015-01-09 12:58 79  
[IMG]RIW_N0U_201501091904.png2015-01-09 13:07 6.5K 
[ ]RIW_N0U_201501091904.wld2015-01-09 13:07 86  
[IMG]RIW_N0U_201501091914.png2015-01-09 13:17 6.5K 
[ ]RIW_N0U_201501091914.wld2015-01-09 13:17 90  
[IMG]RIW_N0U_201501091924.png2015-01-09 13:27 6.6K 
[ ]RIW_N0U_201501091924.wld2015-01-09 13:27 85  
[IMG]RIW_N0U_201501091936.png2015-01-09 13:39 6.5K 
[ ]RIW_N0U_201501091936.wld2015-01-09 13:39 81  
[ ]RIW_N0U_201501091946.json2015-01-09 16:01 87  
[IMG]RIW_N0U_201501091946.png2015-01-09 16:01 6.4K 
[ ]RIW_N0U_201501091946.wld2015-01-09 16:01 68  
[IMG]RIW_N0U_201501091955.png2015-01-09 13:58 6.4K 
[ ]RIW_N0U_201501091955.wld2015-01-09 13:58 73  
[IMG]RIW_N0U_201501092005.png2015-01-09 14:08 6.2K 
[ ]RIW_N0U_201501092005.wld2015-01-09 14:08 77  
[IMG]RIW_N0U_201501092015.png2015-01-09 14:18 6.1K 
[ ]RIW_N0U_201501092015.wld2015-01-09 14:18 73  
[IMG]RIW_N0U_201501092025.png2015-01-09 14:27 6.3K 
[ ]RIW_N0U_201501092025.wld2015-01-09 14:27 77  
[IMG]RIW_N0U_201501092034.png2015-01-09 14:37 6.1K 
[ ]RIW_N0U_201501092034.wld2015-01-09 14:37 69  
[IMG]RIW_N0U_201501092044.png2015-01-09 14:47 6.3K 
[ ]RIW_N0U_201501092044.wld2015-01-09 14:47 69  
[IMG]RIW_N0U_201501092054.png2015-01-09 14:56 6.0K 
[ ]RIW_N0U_201501092054.wld2015-01-09 14:56 88  
[IMG]RIW_N0U_201501092104.png2015-01-09 15:06 6.3K 
[ ]RIW_N0U_201501092104.wld2015-01-09 15:06 68  
[IMG]RIW_N0U_201501092113.png2015-01-09 15:16 6.0K 
[ ]RIW_N0U_201501092113.wld2015-01-09 15:16 78  
[IMG]RIW_N0U_201501092123.png2015-01-09 15:26 6.2K 
[ ]RIW_N0U_201501092123.wld2015-01-09 15:26 69  
[IMG]RIW_N0U_201501092133.png2015-01-09 15:35 6.2K 
[ ]RIW_N0U_201501092133.wld2015-01-09 15:35 67  
[IMG]RIW_N0U_201501092142.png2015-01-09 15:45 6.2K 
[ ]RIW_N0U_201501092142.wld2015-01-09 15:45 76  
[IMG]RIW_N0U_201501092152.png2015-01-09 15:55 6.2K 
[ ]RIW_N0U_201501092152.wld2015-01-09 15:55 83  
[IMG]RIW_N0U_201501092202.png2015-01-09 16:05 6.3K 
[ ]RIW_N0U_201501092202.wld2015-01-09 16:05 64  
[IMG]RIW_N0U_201501092212.png2015-01-09 16:15 6.1K 
[ ]RIW_N0U_201501092212.wld2015-01-09 16:15 78  
[IMG]RIW_N0U_201501092221.png2015-01-09 16:24 6.3K 
[ ]RIW_N0U_201501092221.wld2015-01-09 16:24 77  
[IMG]RIW_N0U_201501092231.png2015-01-09 16:34 6.3K 
[ ]RIW_N0U_201501092231.wld2015-01-09 16:34 72  
[IMG]RIW_N0U_201501092241.png2015-01-09 16:43 6.4K 
[ ]RIW_N0U_201501092241.wld2015-01-09 16:43 79  
[IMG]RIW_N0U_201501092250.png2015-01-09 16:53 6.3K 
[ ]RIW_N0U_201501092250.wld2015-01-09 16:53 77  
[IMG]RIW_N0U_201501092300.png2015-01-09 17:03 6.4K 
[ ]RIW_N0U_201501092300.wld2015-01-09 17:03 70  
[IMG]RIW_N0U_201501092310.png2015-01-09 17:13 6.6K 
[ ]RIW_N0U_201501092310.wld2015-01-09 17:13 73  
[IMG]RIW_N0U_201501092320.png2015-01-09 17:22 6.8K 
[ ]RIW_N0U_201501092320.wld2015-01-09 17:22 88  
[IMG]RIW_N0U_201501092329.png2015-01-09 17:32 6.7K 
[ ]RIW_N0U_201501092329.wld2015-01-09 17:32 56  
[IMG]RIW_N0U_201501092339.png2015-01-09 17:42 6.5K 
[ ]RIW_N0U_201501092339.wld2015-01-09 17:42 68  
[IMG]RIW_N0U_201501092349.png2015-01-09 17:52 6.6K 
[ ]RIW_N0U_201501092349.wld2015-01-09 17:52 81  
[IMG]RIW_N0U_201501092359.png2015-01-09 18:01 6.1K 
[ ]RIW_N0U_201501092359.wld2015-01-09 18:01 81