040000 tree a3dc4dcd03f68883b52592eed6d0c2424f554e24	big
040000 tree 1c60b8df6cd7384c8d7cf0eda29b1f9e4e4d3259	scalable
040000 tree 4ca13a08d29d1c704a7d727a6ce26e7e3535a1ce	small
040000 tree 0846a6aa29f49a851e65171dbcee3903ded24407	welcome