chr20_random 261471 261570 2 N 100 fragment no chr20_random 262643 262742 4 N 100 fragment no chr20_random 263906 264005 6 N 100 fragment no chr20_random 265631 265730 8 N 100 fragment no chr20_random 267993 268092 10 N 100 fragment no chr20_random 272466 272565 12 N 100 fragment no chr20_random 273266 273365 14 N 100 fragment no