040000 tree af81a112d0aa954d02b82fc549f78cea39576f2b	data
040000 tree c1fca1bb65eed9a0e2c8b0c6f70031e92a87b3c7	subscripts
100755 blob 7ba9cb1611ed0e9996e078be1f68c598a2f4eab3	validate-a1.sh