040000 tree 969b3bfd51ca115f9d0c9dbc353573cc0b031ab3	common
040000 tree 9b09b82f06829c92c6fe2e818ee31b3717cd8274	cs
040000 tree 6e28dd741cb0249805069064ab2de46fbbf08e8a	java
040000 tree 64a366412236ab7d4954cb05692b45f3ef9653b2	scala