CSV format in weka

Here is one example.
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attr1,attr2,attr3,attr4,attr5,attr6,class

1,1,0,0,0,0,NO
0,0,1,1,0,1,NO
0,1,0,1,1,0,NO
0,0,1,0,0,1,YES
0,1,0,0,0,0,NO
0,1,1,1,0,0,NO
0,1,1,0,0,0,NO
0,0,0,1,1,0,YES
0,0,0,0,0,0,NO