>>1

>>-5,6-10,11-15,16-20,21-25,26-30,31-35,36-40,41-45,46-50
>51-55,56-60,61-65,66-70,71-75,76-80,81-85,86-90,91-95,96-100
>101-105,106-110,111-115,116-120,121-125,126-130,131-135,136-140,141-145,146-150
>151-155,156-160,161-165,166-170,171-175,176-180,181-185,186-190,191-195,196-200
>200-205,206-210,211-215,216-220,221-225,226-230,231-235,236-240,241-245,246-250
>251-255,256-260,261-265,266-270,271-275,276-280,281-285,286-290,291-295,296-300
>301-305,306-310,311-315,316-320,321-325,326-330,331-335,336-340,341-345,346-350
>351-355,356-360,361-365,366-370,371-375,376-380,381-385,386-390,391-395,396-400
>401-405,406-410,411-415,416-420,421-425,426-430,431-435,436-440,441-445,446-450
>451-455,456-460,461-465,466-470,471-475,476-480,481-485,486-490,491-495,496-500
>501-505,506-510,511-515,516-520,521-525,526-530,531-535,536-540,541-545,546-550
>551-555,556-560,561-565,566-570,571-575,576-580,581-585,586-590,591-595,596-600
>601-605,606-610,611-615,616-620,621-625,626-630,631-635,636-640,641-645,646-650
>651-655,656-660,661-665,666-670,671-675,676-680,681-685,686-690,691-695,696-700
>701-705,706-710,711-715,716-720,721-725,726-730,731-735,736-740,741-745,746-750
>751-755,756-760,761-765,766-770,771-775,776-780,781-785,786-790,791-795,796-800
>801-805,806-810,811-815,816-820,821-825,826-830,831-835,836-840,841-845,846-850
>851-855,856-860,861-865,866-870,871-875,876-880,881-885,886-890,891-895,896-900
>901-905,906-910,911-915,916-920,921-925,926-930,931-935,936-940,941-945,946-950
>951-955,956-960,961-965,966-970,971-975,976-980,981-985,986-990,991-995,996-1000
>1-5,6-10,11-15,16-20,21-25,26-30,31-35,36-40,41-45,46-50
>51-55,56-60,61-65,66-70,71-75,76-80,81-85,86-90,91-95,96-100
>101-105,106-110,111-115,116-120,121-125,126-130,131-135,136-140,141-145,146-150
>151-155,156-160,161-165,166-170,171-175,176-180,181-185,186-190,191-195,196-200
>200-205,206-210,211-215,216-220,221-225,226-230,231-235,236-240,241-245,246-250
>251-255,256-260,261-265,266-270,271-275,276-280,281-285,286-290,291-295,296-300
>301-305,306-310,311-315,316-320,321-325,326-330,331-335,336-340,341-345,346-350
>351-355,356-360,361-365,366-370,371-375,376-380,381-385,386-390,391-395,396-400
>401-405,406-410,411-415,416-420,421-425,426-430,431-435,436-440,441-445,446-450
>451-455,456-460,461-465,466-470,471-475,476-480,481-485,486-490,491-495,496-500
>501-505,506-510,511-515,516-520,521-525,526-530,531-535,536-540,541-545,546-550
>551-555,556-560,561-565,566-570,571-575,576-580,581-585,586-590,591-595,596-600
>601-605,606-610,611-615,616-620,621-625,626-630,631-635,636-640,641-645,646-650
>651-655,656-660,661-665,666-670,671-675,676-680,681-685,686-690,691-695,696-700
>701-705,706-710,711-715,716-720,721-725,726-730,731-735,736-740,741-745,746-750
>751-755,756-760,761-765,766-770,771-775,776-780,781-785,786-790,791-795,796-800
>801-805,806-810,811-815,816-820,821-825,826-830,831-835,836-840,841-845,846-850
>851-855,856-860,861-865,866-870,871-875,876-880,881-885,886-890,891-895,896-900
>901-905,906-910,911-915,916-920,921-925,926-930,931-935,936-940,941-945,946-950
>951-955,956-960,961-965,966-970,971-975,976-980,981-985,986-990,991-995,996-1000