wget https://4dn-open-data-public.s3.amazonaws.com/fourfront-webprod/files/48d9afe7-8959-4b74-b2c7-9c11d44a7477/4DNFIBLWG2R5.r3d
aws s3 cp s3://4dn-open-data-public/fourfront-webprod/files/48d9afe7-8959-4b74-b2c7-9c11d44a7477/4DNFIBLWG2R5.r3d Chr11A_Chr2A_38.r3d
test "836ff51d21643f7392f6ef5da9015572" = "$(md5sum Chr11A_Chr2A_38.r3d)"
drs get -d https://data.4dnucleome.org 4DNFIBLWG2R5