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040000 tree 18ee696fad341bd3dedc63025c2e63adc5966d18	canfd
040000 tree 64106d33243d659a0cff1b50cc4851587422fcd1	shell
040000 tree 58c4988bc4a07ce2e2ec950232059ad4196cc95b	timing
040000 tree 20a2f737780a82779581c2ea47d067c97ed442a5	utilities