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040000 tree a3064be57e4f41fab682b402d66a054aaea0fc44	dataflow
040000 tree fb6618073da30c12a5cf5ef07cad8885158ad6e0	hshake1
040000 tree 6ea6c687942a9b8c3581909eaa707925065e6bee	hshake2
040000 tree dacadddccbb3f9b27ac29bcf7bb36448456b60f2	hwsw
040000 tree 1e80b9b40dd2b0839bb467d1bfeba1ad16d3ffdf	test1
040000 tree d661245be56b4ca2bafa38021dc0fd1d713cfa50	test2
040000 tree ab9bb4285f8f108b07e5990a6ab1243446ba9393	test3
040000 tree 6dc58640b02a1bce3e60152056fddebe993a6170	test4