0	1	2	3	4	5	6	7	8	9	10	11	12	13	14	15	16	17	18	19	20	21	22	23	24	25	26	27	28	29	30
-945
-946
-947
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-950
-951
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-959
-960
-961
-962
-963
-964
-965
-966
-967
-968
-969
-970
-971
-972
-973
-974
-975