040000 tree 77a1065d56f3c18ca08d5505f7b2ebb33cff5078	Step1
040000 tree 1096cdddd2b7226db939ad3c70d5955b98e1e54e	Step2
040000 tree cc55d2ac0e1726f839fb3ec5ef9733e32ea62048	Step3
040000 tree e0dea0a7ffc59b18658fae09b833b4b8bb1bf0aa	Step4
040000 tree 6a8b710c0c4af4328b3d5d11766a462b45c1688c	Step5
040000 tree ebe530e8633b384f13134d98d732cfbbb331abf1	Step6
040000 tree 8fffc20d2cfbe8823eaa33e6fdfa400396aafb47	Step7