The below coordinates correspond to four BED regions on chromosome 1. The first three columns are required to specify the position of each of the four elements. The fourth field is optional and is a name by which to identify each element.
# Lines beginning with '#' are comment lines and are ignored
# All other lines must follow BED format
chr1 10520283 10520490 uc.1
chr1 10655129 10655336 uc.2
chr1 10673751 10673976 uc.3
chr1 10680835 10681194 uc.4
Can I use a different format?