id tissue1 tissue2 tissue3 tissue4 tissue5 tissue6 tissue7 tissue8 gene1 1 0 0 9 0 0 0 0 gene2 5 2 1 2 4 6 3 5 gene3 6 6 6 6 6 6 6 6 gene4 4 4 4 4 10 4 4 4 gene5 10 10 10 10 4 10 10 10