100644 blob ace01a8c69f714b7c5d4f6d9592cdb5d50a4915b	1-in.cc
100644 blob 79f0a66b9c6a721abad2faa0b4d7dc6a6ac4278d	1-io.cc
100644 blob 52770f42df2ffd04aa2edecdbfbca0476223442e	1-out.cc
100644 blob 6bc696122219f26104d5f7a7e210a90a4b25b839	2-in.cc
100644 blob d9b2728bac68fcd52528a6a3e65b80f0c46dda36	2-io.cc
100644 blob de75c6570ca11d48bda7bbf264141514abea223e	2-out.cc
100644 blob aec6bda7d703a766f26d679a865061d46776d4c1	3.cc